原著論文・国際会議論文(抜粋)


フォトニクス工学分野
[48] M. Sotto, K. Debnath, A. Z, Khokhar, I. Tomita, D. Thomson, and S. Saito, "Anomalous zero-group-velocity
photonic bound states with local chirality", Journal of the Optical Society of America B (2018) Accepted.

[47] M. Sotto, I. Tomita, K. Debnath, and S. Saito, "Polarisation rotation and mode splitting in photonic crystal line-defect waveguide", Frontiers in Physics - Optics and Photonics 6, p.85 (9 pages) (2018). 

[46] I. Tomita, "Highly efficient cascaded-difference-frequency generation in periodically-poled LiNbO3 devices with resonators", IEEJ Transactions on Electrical and Electronic Engineering 13 pp.1214-1215 (2018).

[45] I. Tomita, "Engineered phase matching for broad frequency-tunability in terahertz-wave generation from quasi-phase-matched GaP devices", Journal of Applied Physics 117 (8) p.083107 (5 pages) (2015).

[44] K. Matsuura and I. Tomita, "Spectral broadening in an InGaAsP optical waveguide with X^(3) nonlinearity including two photon absorption", International Journal of Mathematical, Computational, Physical and Quantum Engineering 8 (10) pp.1157-1160 (2014).

[43] I. Tomita, T. Umeki, O. Tadanaga, H. Song, M. Asobe, and H. Takenouchi, "Properties of power dependence on low-crosstalk waveband conversion with an apodized multiperiod-QPM LiNbO3 device", Optics Express 22 (12) pp. 15232-15244 (2014).

[42] I. Tomita and T. Kohno "Comment on collinear phase-matched terahertz-wave generation in GaP crystal using a dual-wavelength optical parametric oscillator", Journal of Applied Physics 114, p.146101 (2 pages) (2013).

[41] I. Tomita, T. Umeki, O. Tadanaga, H. Song, and M. Asobe, "Apodized multiple quasi-phase-matched LiNbO3 device for low-crosstalk waveband conversion", Optics Letters 35 (6) pp.805-807 (2010).

[40] M. Asobe, T. Umeki, O. Tadanaga, H. Song, I. Tomita, and K. Magari, "QPM wavelength conversion using engineered LiNbO3 waveguides", Proceedings of 2010 Conference on Lasers and Electro-Optics and Quantum Electronics and Laser Science (CLEO/QELS), San Jose, CA, Paper No.CMG1 (2 pages) (2010).

[39] H. Song, O. Tadanaga, T. Umeki, I. Tomita, M. Asobe, S. Yamamoto, K. Mori, and K. Yonenaga, "Phase-transparent flexible waveband conversion of 43 Gb/s RZ-DQPSK signals using multiple-QPM-LN waveguides", Optics Express 18 (15) pp. 15332-15337 (2010).

[38] H. Song, O. Tadanaga, T. Umeki, I. Tomita, M. Asobe, S. Yamamoto, K. Mori, and K. Yonenaga, "Flexible and transparent waveband conversion using multiple-QPM LiNbO3 waveguides", Proceedings of the 36th European Conference and Exhibition on Optical Communication (ECOC2010), Torino, Italy, Paper No.We.6.E.3 (3 pages) (2010).

[37] H. Song, O. Tadanaga, T. Umeki, I. Tomita, H. Ishii, H. Ohashi, and M. Asobe, "High quality grouped-wavelength conversion and dynamic switching using multiple-QPM LiNbO3 and TLA”, IEEE Photonics Technology Letters 21 (13) pp. 854-856 (2009).

[36] M. Asobe, T. Umeki, O. Tadanaga, H. Song, and I. Tomita, "Grouped wavelength conversion using engineered QPM device", Proceedings of the 8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PR 2009), Shanghai, China, Paper No.WH3-2 (2 pages) (2009).

[35] I. Tomita, “Fabrication and characterization of a quasi-phase-matched GaP optical device for terahertz-wave generation”, Optical Materials 32 (2) pp. 323-328 (2009).

[34] I. Tomita, T. Umeki, O. Tadanaga, H. Song, and M. Asobe, "Apodized multiple quasi-phase-matched LiNbO3 device for wavelength conversion with low crosstalk", Proceedings of the 15th Micro-Optics Conference (MOC2009), Odaiba, Tokyo, Paper No.D4, pp. 62-63 (2009).

[33] H. Song, O. Tadanaga, T. Umeki, I. Tomita, H. Ishii, H. Oohashi, and M. Asobe, "Dynamic grouped-wavelength conversion using multiple-QPM LiNbO3 module and TLA", Proceedings of 2009 Conference on Optical Fiber Communication, San Diego, CA, Paper No.OThG6 (3 pages) (2009).

[32] I. Tomita, H. Suzuki, R. Rungsawang, Y. Ueno, and K. Ajito, “Analysis of power enhancement of terahertz waves in periodically inverted GaP pumped at 1.55 μm”, Physica Status Solidi A 204 (4) pp.1221-1226 (2007).

[31] I. Tomita, H. Suzuki, H. Ito, H. Takenouchi, K. Ajito, R. Rungsawang, and Y. Ueno, “Terahertz-wave generation from quasi-phase-matched GaP for 1.55-μm pumping”, Applied Physics Letters 88 (7) p.071118 (3 pages) (2006).

[30] I. Tomita, M. Asobe, H. Suzuki, J. Yumoto, and Y. Yoshikuni, “Broadband quasi-phase matched second-harmonic generation in a nonlinear photonic crystal”, Journal of Applied Physics 100 (2) p.023120 (8 pages) (2006).

[29] R. Rungsawang, Y. Ueno, I. Tomita, and K. Ajito, “Terahertz notch filter using intermolecular hydrogen bonds in a sucrose crystal”, Optics Express 14 (12) pp.5765-5772 (2006).

[28] I. Tomita, R. Rungsawang, Y. Ueno, and K. Ajito, "Widely tunable terahertz-wave generation by collinearly phase-matched difference-frequency generation from gallium phosphide", Proceedings of Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Terahertz Electronics (IRMMW-THz2006), Shanghai, China, Paper No.MonP-61, p.117 (2006).

[27] I. Tomita, H. Sanjoh, E. Yamada, H. Suzuki, and Y. Yoshikuni, ”Theoretical analysis of the generation of multiple wavelengths by pulsed serrodyne modulation”, Journal of Optics A 7 (12) pp.701-705 (2005).

[26] I. Tomita, H. Takenouchi, H. Suzuki, K. Ajito, R. Rungsawang, Y. Ueno, and H. Ito, "Terahertz-wave generation from periodically-inverted GaP pumped at 1.55 μm", Proceedings of the 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS 2005), Sydney, Australia, Paper No.TuI1. pp.238-239 (2005).

[25] H. Sanjoh, I. Tomita, and Y. Yoshikuni, "Precisely spaced multiwavelength light source using pulsed serrodyne modulation in amplified circulating loop", Electronics Letters 39 (4) pp.392-394 (2003).

[24] I. Tomita, H. Sanjoh, E. Yamada, and Y. Yoshikuni, "Novel method for generating multiple wavelengths by pulsed serrodyne modulation", IEEE Photonics Technology Letters 15 (9) pp.1204-1206 (2003).

[23] H. Sanjoh, I. Tomita, and Y. Yoshikuni, "A precisely spaced multiwavelength light source with a pulsed serrodyne frequency shifter in an optical ring circuit", Proceedings of the 28th European Conference on Optical Communication (ECOC 2002), Copenhagen, Denmark, Paper No.3.3.5 (2 pages), Volume 2, (2002).

[22] I. Tomita, H. Sanjoh, E. Yamada, and Y. Yoshikuni, "Enhancement of the number of optical frequency channels in a pulse-type multiwavelength light source using an optical ring circuit with serrodyne modulation", Technical Report of the Institute of Electronics, Information and Communication Engineers, OPE2002-45, LQE2002-100, pp.39-42 (2002).

[21] I. Tomita, H. Sanjoh, and Y. Yoshikuni, "Multiwavelength light source with pulsed serrodyne modulation in an optical ring circuit", Proceedings of Optoelectronics and Communications Conference 2002 (OECC2002), Yokohama, Japan, Paper No. 10C1-5, pp. 142-143 (2002).

[20] H. Sanjoh, K. Tsuzuki, I. Tomita, M. Ishikawa, and Y. Yoshikuni, "Time domain filtering to improve signal to noise ratio in pulse-type multiwavelength light source", Proceedings of Optoelectronics and Communications Conference 2001 (OECC2001), Sydney, Australia, Paper No.THD Pulse Sources-3 pp.511-512 (2001).

 フォトニクス応用分野

[19] I. Tomita, "Short-path near-infrared laser detection of environmental gases by wavelength-modulation spectroscopy", International Journal of Chemical, Nuclear, Metallurgical and Materials Engineering 8 (11) pp.1119-1122 (2014).

[18] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Terahertz images of biological molecules: frequency dependence of spatial resolution using a tunable terahertz laser source”, Japanese Journal of Applied Physics 47 (2) pp. 1315-1320 (2008).

[17] R. Rungsawang, Y. Ueno, I. Tomita, and K. Ajito, “Angle dependent terahertz time-domain spectroscopy of amino acid single crystals”, Journal of Physical Chemistry B 110 (42) pp.21259-21263 (2006).

[16] K. Ajito, I. Tomita, R. Rungsawang, and Y. Ueno, ”Chemical sensing using terahertz spectroscopy”, Electrochemistry 74 (6) pp.506-511 (2006).

[15] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Terahertz time-domain spectra of intra- and inter-molecular hydrogen bonds of fumaric and maleic acids”, Chemistry Letters 35 (10) pp.1128-1129 (2006).

[14] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Qualitative measurements of amino acids by terahertz time-domain transmission spectroscopy”, Analytical Chemistry 78 (15) pp. 5424-5428 (2006).

[13] R. Rungsawang, Y. Ueno, I. Tomita, and K. Ajito, “Orientation-dependent terahertz spectra of single amino acid crystals”, Proceedings of the International Workshop on Terahertz Technology 2005 (TeraTech2005), Osaka, Japan, Paper No. 17PS-28, pp.199-200 (2005).

[12] K. Ajito, R. Rungsawang, Y. Ueno, I. Tomita, and H. Takenouchi, "Combined terahertz spectral imaging and NIR Raman microscopy for the analysis of chromoprotein and chromophore films", Proceedings of the Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz2005),  Williamsburg, Virginia, Paper No.TA2-1, Volume 1, pp.211-212 (2005).

[11] R. Rungsawang, Y. Ueno, H. Takenouchi, I. Tomita, and K. Ajito, "Real-time spectral imaging of protein films using a tunable THz laser source", Proceedings of the Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz2005), Williamsburg, Virginia, Paper No.WB3-5, Volume 2, pp.481-482 (2005).

電子デバイス・電子物性分野

[10] Z. Li, M. Husain, F. Liu, S. Giblin, J. Fletcher, M. Kataoka, A. Andreev, K. Ibukuro, J. Hillier, I. Tomita, H. Rutt, Y. Tsuchiya, and S. Saito, "Artificial molecular bonding in silicon quantum dots tuned by double-layer three gates", Semiconductor Science and Technology (2018) Subimtted.

[9] F. Liu, K. Ibukuro, M. Husain, Z. Li, J. Hillier, I. Tomita, Y. Tsuchiya, H. Rutt, and S. Saito, "Manipulation of random telegraph signals in a silicon nanowire transistor with a triple gate", Nanotechnology (2018) Accepted.

[8] S. Saito, Z. Li, H. Yoshimoto, I. Tomita, Y. Tsuchiya, Y. Sasago, H. Arimoto, F. Liu, M. K. Husain, D. Hisamoto, H. N. Rutt, and S. Kurihara, "Quantum dipole effects in a silicon transistor under high electric fields", Journal of Physical Society of Japan 87, p.094801 (22 Pages) (2018).

[7] Z. Li, M. Sotto, F. Liu, M. K. Husain, H. Yoshimoto, Y. Sasago, D. Hisamoto, I. Tomita, Y. Tsuchiya and S. Saito, "Random telegraph noise by resonant tunneling at low temperatures", Nature Scientific Reports 8, p. 250 (9 pages) (2018).

[6] I. Tomita, “Determination of the diffusion constant in disordered mesoscopic Au rings from the temperature dependence of the current”, Solid State Communications 255–256, pp. 38-41 (2017).

[5] I. Tomita and A. Suzuki, “On the propagation of electron screening in disordered conductors”, Journal of Physics and Chemistry of Solids 68 (1) pp. 87-90 (2007).

[4] I. Tomita and A. Suzuki, “A note on electron confinement to a two-dimensional quantum disk”, Journal of Applied Physics 99 (12) p.126104 (3 pages) (2006).

[3] I. Tomita, "Persistent current in a one-dimensional correlated disordered ring", Physica A 308 (1-4) pp.1-14 (2002).

[2] I. Tomita, "Anomalous diffusion on a one-dimensional disordered system with a random noise", Physics Letters A 249 (5-6) pp.501-504 (1998).

[1] I. Tomita and A. Suzuki, "Geometrical effect on the electron escape rate in a mesoscopic ring with an Aharonov-Bohm magnetic flux", Physical Review B 53 (15) pp.9536-9539 (1996).

国際会議発表

 
フォトニクス工学分野

[33] I. Tomita, S. Saito, and D. C. Hutchings, "GaAs/AlAs intermixed superlattice for stimulated Raman scattering", The 11th International Conference on Optics-photonics Design and Fabrication (ODF2018), Hiroshima, Japan, 28-30 November (2018) Accepted.

[32] M. Sotto, K. Debnath, A. Z, Khokhar, I. Tomita, D. Thomson, and S. Saito, "Singular field at anomalous zero-group-velocity in non-symmorphic photonic crystal waveguides", Photon 2018, Aston University, 3-6 September, Parallel Session 3: Topological photonics No.2 (2018).

[31] S. Saito, M. Sotto, J. Byers, K. Debnath, and, I. Tomita, "Silicon photonic waveguides using nanoscale LEGO blocks", Photon 2018, Aston University, 3-6 September, Parallel Session 5: Waveguide and fibre optic devices and sensors II, No.1 (2018).  

[30] M. Sotto, K. Debnath, A. Z, Khokhar, I. Tomita, D. Thomson, and S. Saito, "Photonic bonding modes with circular polarization at zero-group-velocity points", The 15th International Conference on Group IV Photonics (GFP2018), Cancun, Mexico, 29-31 August (2018) Accepted.

[29] I. Tomita, K. Debnath, K. Ibukuro, M. K. Husain, J. Byers, Z. Zhang, and S. Saito, " LiNbO3/Si-hybrid slot-waveguide electro-optic modulators", The 15th International Conference on Group IV Photonics (GFP2018), Cancun, Mexico, 29-31 August (2018) Accepted.

[28] I. Tomita, "Cavity-type periodically-poled LiNbO3 device for highly-efficient third-harmonic generation", The 20th International Conference on Electronics and Communication Engineering (ICECE2018), London, UK, 15-16 March, Session II, No.10 (2018).
[27] K. Matsuura and I. Tomita, "Spectral broadening in an InGaAsP optical waveguide with X^
(3) nonlinearity including two photon absorption", The 7th International Conference on Optoelectronics, Photonics and Laser Physics 2014 (ICOPLP2014), Osaka, Japan, Oct. 12-13, No.57 (2014).

[26] H. Song, O. Tadanaga, T. Umeki, I. Tomita, M. Asobe, S. Yamamoto, K. Mori, and K. Yonenaga, "Flexible and transparent waveband conversion using multiple-QPM LiNbO3 waveguides", The 36th European Conference and Exhibition on Optical Communication (ECOC2010), Torino, Italy, Sep. 19-23, No.We.6.E.3 (2010).

[25] M. Asobe, T. Umeki, O. Tadanaga, H. Song, I. Tomita, and K. Magari, "QPM wavelength conversion using engineered LiNbO3 waveguides", Conference on Lasers and Electro-Optics and The Quantum Electronics and Laser Science Conference (CLEO/QELS) 2010, San Jose, CA, May 16-21, No.CMG1 (2010).

[24] I. Tomita, T. Umeki, O. Tadanaga, H. Song, and M. Asobe, "Apodized multiple quasi-phase-matched LiNbO3 device for wavelength conversion with low crosstalk", The 15th Micro-Optics Conference (MOC2009), Oct. 25-28, Odaiba, Tokyo, No.D4 (2009).

[23] M. Asobe, T. Umeki, O. Tadanaga, H. Song, and I. Tomita, "Grouped wavelength conversion using engineered QPM device", The 8th Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PR 2009), Shanghai, China, Aug. 30-Sep. 3, No WH3-2 (2009).

[22] H. Song, O. Tadanaga, T. Umeki, I. Tomita, H. Ishii, H. Ohashi, and M. Asobe, "Dynamic grouped-wavelength conversion using multiple-QPM LiNbO3 module and TLA", 2009 Optical Fiber Communication Conference and Exposition, San Diego, California, U.S.A., March 22-26, No.OThG6 (2009).

[21] I. Tomita, R. Rungsawang, Y. Ueno, and K. Ajito, “Widely tunable terahertz-wave generation by collinearly phase-matched difference frequency generation from gallium phosphide”, The Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics (IRMMW-THz2006), Shanghai, China, Sep. 18-22, No. MonP-61 (2006).

[20] I. Tomita, H. Takenouchi, H. Suzuki, R. Rungsawang, K. Ajito, Y. Ueno, and H. Ito, “Terahertz-wave generation from periodically-inverted GaP pumped at 1.55μm”, The 18th IEEE Lasers and Electro-Optics Society (LEOS2005), Sydney, Australia, Oct. 23-27, No. TuI1 (2005).

[19] I. Tomita, H. Taniyama, Y. Yoshikuni, and J. Yumoto, “Nonlinear photonic crystal for broadband frequency conversion”, International Symposium on Photonic and Electromagnetic Crystal Structures V (PECS-V), Kyoto, Japan, Mar. 7-11, No. Th-L1 (2004).

[18] H. Sanjoh, I. Tomita, E. Yamada, and Y. Yoshikuni, "A precisely spaced multiwavelength light source with a pulsed serrodyne frequency shifter in an optical ring circuit", The 28th European Conference on Optical Communication (ECOC 2002), Copenhagen, Denmark, Sep. 8-12, No. 3.3.5 (2002).

[17] I. Tomita, H. Sanjoh, and Y. Yoshikuni, "Multiwavelength light source with pulsed serrodyne modulation in an optical ring circuit", Optoelectronics and Communications Conference 2002 (OECC 2002), Yokohama, Japan, July 8-12, No. 10C1-5 (2002).

[16] H. Sanjoh, K. Tsuzuki, I. Tomita, M. Ishikawa, and Y. Yoshikuni, "Time domain filtering to improve signal to noise ratio in pulse-type multiwavelength light source", Optoelectronics and Communications Conference 2001 (OECC 2001), Sydney, Australia, July 1-5, Session THD Pulse Sources, No.3 (2001).

 フォトニクス応用分野

[15] I. Tomita, "Short-path near-infrared laser detection of environmental gases by wavelength-modulation spectroscopy", The 7th International Conference on Electrical, Computer, Electronics and Communication Engineering 2014 (ICECECE2014), Kyoto, Japan, Nov. 13-14, No.14 (2014).

[14] A. Tokura, O. Tadanaga, I. Tomita, and M. Asobe, “4.6μm-band difference frequency generation in LiNbO3 ridge waveguide for trace gas detection”, The 8th International Conference on Tunable Diode Laser Spectroscopy 2011 (TDLS2011), Zermatt, Switzerland, July 11-15, No.F6 (2011).

[13] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Terahertz images of biological molecules: frequency dependence of spatial resolution using a tunable terahertz laser source”, The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4), Tokyo, Japan, Mar. 14-16, No. 2P_17 (2007).

[12] K. Ajito, R. Rungsawang, I. Tomita, and Y. Ueno, “Terahertz light assistance in photochemical reaction of retinals”, The 4th International Conference on Molecular Electronics and Bioelectronics (M&BE4), Tokyo, Japan, Mar. 14-16, No. 2O_12 (2007).

[11] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Study of intra- and inter-molecular hydrogen bond systems by terahertz time-domain spectroscopy”, The 232nd American Chemical Society National Meeting & Exposition, San Francisco, California, U.S.A., Sep. 10-14, No. ANYL107 (2006).

[10] K. Ajito, R. Rungsawang, I. Tomita, and Y. Ueno, "Near-infrared Raman and terahertz spectroscopy and their imaging of biological molecules", The 20th International Conference on Raman Spectroscopy (ICORS), Yokohama, Japan, Aug. 20-25, No. TThB1 (2006).

[9] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, ”Raman and terahertz transmission spectroscopy of absorbed molecules incorporated in the nano-sized pores of mesoporous silicates”, The 20th International Conference on Raman Spectroscopy (ICORS), Yokohama, Japan, Aug. 20-25, No. 2P053 (2006).

[8] Y. Ueno, R. Rungsawang, I. Tomita, and K. Ajito, “Quantitative measurements of amino acids by terahertz time-domain transmission spectroscopy”, International Congress on Analytical Sciences (ICAS) 2006, Moscow, Russia, Jul. 25-30, No. MLS-O3 (2006).

[7] Y. Ueno, R. Rungsawang, H. Takenouchi, I. Tomita, and K. Ajito, “Terahertz time-domain spectroscopy of mesoporous silicate and dye molecules incorporated in the nano-sized pores”, The International Chemical Congress of Pacific Basin Societies 2005 (Pacifichem 2005), Honolulu, Hawaii, Dec. 15-20, No. 164-1500 (2005).

[6] R. Rungsawang, Y. Ueno, I. Tomita, and K. Ajito, “Orientation-dependent terahertz spectra of single amino acid crystals”, The International Workshop on Terahertz Technology 2005 (TeraTech 2005), Osaka, Japan, Nov. 16-18, No. 17PS-28 (2005).

[5] R. Rungsawang, K. Ajito, H. Takenouchi, I. Tomita, and Y. Ueno, “Real-time spectral imaging of protein films using a tunable THz”, The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz2005), Williamsburg, Virginia, U.S.A., Sep. 19-23, No. WB3-5 (2005).

[4] K. Ajito, R. Rungsawang, H. Takenouchi, I. Tomita, and Y. Ueno, “Combined terahertz spectral imaging and NIR Raman microscopy for the analysis of chromoprotein and chromohore films”, The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics (IRMMW-THz2005), Williamsburg, Virginia, U.S.A., Sep. 19-23, No. TA2-1 (2005).

[3] R. Rungsawang, K. Ajito, H. Takenouchi, I. Tomita, and Y. Ueno, “Submillimeter-resolution imaging of protein film using THz waves”, International Conference on Organized Molecular Films, Langmuir-Blodgett the 11th (LB11), Sapporo, Japan, June 26-30, No. PT9-13 (2005).

電子デバイス・電子物性分野

[2] S. Saito, Z. Li, H. Yoshimoto, I. Tomita, Y. Tsuchiya, Y. Sasago, H. Arimoto, F. Liu, M. K. Husain, D. Hisamoto, H. N. Rutt, and S. Kurihara, "Quantum dipole in a silicon transistor: Quantum simulation for strongly correlated system", 2017 International Conference on Solid State Devices and Materials (SSDM 2017), Sendai, Japan, 19-22 Sep., No. M-1-03 (2017).
[1]
I. Tomita, “Highly conductive polycrystalline metallic ring in a magnetic field”, The 18th International Conference on Computational and Theoretical Physics (ICCTP2016), Paris, France, Feb. 22-23, Session 6, No. 81 (2016).

 

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