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小國正晴 研究業績一覧 (65件)
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論文
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Shen Yunting,
Nagoe Atsushi,
Oguni Masaharu,
Kawaji Hitoshi,
Fujimori Hiroki.
Low-temperature thermal properties of the aqueous solutions of simple aminoalcohols: Finding of peculiarities in 1-amino-2-propanol solutions,
Thermochimica Acta,
605,
115-120,
Apr. 2015.
-
MASAHARU OGUNI.
Two-Dimensional Coordination Networks of [Mn4] Single-Molecule Magnets:Heat Capacity Measurements,
Journal of the Physical Society of Japan,
The Physical Society of Japan,
Vol. 76,
No. 10,
pp. 104602-1-5,
Oct. 2007.
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MASAHARU OGUNI.
Calorimetric Finding of Phase and Glass Transitions Concerning the Ordering of the Water Located between the Silicate Layers of the Clay Na-Rub-18,
The Chemical Society of Japan,
Vol. 80,
No. 9,
pp. 1758-1763,
Sept. 2007.
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MASAHARU OGUNI.
Glass Transitions of Ordinary and Heavy Water within Silica-Gel Nanopores,
Chemistry - An Asian Journal,
WILEY-VCH,
Vol. 2,
No. 4,
pp. 514-520,
Apr. 2007.
-
小國正晴.
Phase transition of pyridinium tetrachloroiodate(III), PyHIO4, studied by a single crystal X-ray analysis and dielectric and heat capacity measurements,
Journal of Molecular Structure,
Elsevier,
Vol. 826,
pp. 24-28,
2007.
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Kiyoshi Kawai,
Toru Suzuki,
Masaharu Oguni.
Low-Temperature Glass Transitions of Quenched and Annealed Bovine Serum Albumin Aqueous Solutions,
Biophys. J,
Vol. 90,
No. 10,
pp. 3732-3738,
May 2006.
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Masaharu Oguni,
Jun-ichi Sekine,
Hiroyuki Mine.
Effects of the presence/absence of hydroxyl or amine groups in mono/di-substituted benzenes on the alpha and beta structural relaxation properties in liquids and glasses,
J. Non-Cryst. Solids,
Vol. 352,
pp. 4665-4673,
2006.
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H. Fujimori,
K. Matsuda,
A. Todoroki,
T. Asaji,
M. Oguni.
Glass transition in the stable crystalline state of 2,5-dichlorothiophene,
J. Non-Cryst. Solids,
Vol. 352,
No. 42-49,
pp. 4790-4792,
2006.
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Keisuke Watanabe,
Masaharu Oguni,
Makoto Tadokoro,
Ryouhei Nakamura.
Structural ordering and ice-like glass transition on cooling the nano-channel water formed within a crystalline framework,
J. Phys.: Condens. Matter,
Vol. 18,
pp. 9375-9384,
2006.
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Keisuke Watanabe,
Masaharu Oguni,
Makoto Tadokoro,
YukiOohata,
Ryouhei Nakamura.
Glass transition on the development of a hydrogen-bond network in nano-channel ice, and subsequent phase transitions of the ordering of hydrogen atom positions within the network in [Co(H2bim)3](TMA)20H2O,
J. Phys.: Condens. Matter,
Vol. 18,
pp. 8427-8436,
2006.
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Tetsuo Asaji,
Jun Watanabe,
Eigo Akiyama,
Hiroki Fujimori,
Masaharu Oguni.
Successive phase transitions of [(PyO)(H/D)][AuCl4] (PyO=C5H5NO),
Solid State Commun.,
Vol. 137,
pp. 488-491,
2006.
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Tetsushi Ishikawa,
Yasuhiro Nakazawa,
Satoshi Yamashita,
Masaharu Oguni,
Kazuya Saito,
Kazuo Takimiya,
Tetsuo Otsubo.
Thermodynamic study of an incommensurate organic superconductor (MDT-TSF)(AuI2)0.436,
J. Phys. Soc. Jpn.,
Vol. 75,
No. 7,
pp. 074606/1-4,
2006.
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S. Tomitaka,
M. Mizukami,
F. Paladi,
M. Oguni.
Thermal and dielectric studies of 2,2'-dihydroxybenzophenone: Progress of crystal nucleation and growth below the glass transition temperature,
J. Thermal Anal. Calorim.,
Vol. 81,
pp. 637-643,
2005.
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S. Yamashita,
A. Naito,
Y. Nakazawa,
K. Saito,
H. Taniguchi,
K. Kanoda,
M. Oguni.
Drastic cooling rate dependence of thermal anomaly associated with the superconducting transition in k-(BEDT-TTF)4Hg2.89Br8,
J. Thermal Anal. Calorim.,
Vol. 81,
No. 3,
pp. 591-594,
2005.
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Kiyoshi Kawai,
Toru Suzuki,
Masaharu Oguni.
Finding of an unexpected thermal anomaly at very low temperatures due to water confined within a globular protein, bovine serum albumin,
Thermochimica Acta,
Vol. 431,
pp. 4-8,
2005.
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Minoru Hnaya,
Kousuke Echigo,
Masaharu Oguni.
Anomalous AgI composition dependence of the thermal and dielectric properties of AgI-Ag2O-P2O5 glasses: evidence for the formation of amorphous AgI aggregate regions as dominating the fast Ag+ ion conduction,
J. Phys.: Condens. Matter,
Vol. 17,
pp. 2281-2292,
2005.
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T. Asaji,
H. Fujimori,
H. Ishida,
K. Eda,
H. Hashimoto,
M. Oguni.
Calorimetric and single crystal X-ray study of the phase transition of (PyH)2PdCl4,
J. Phys. Chem. Solids,
Vol. 66,
pp. 869-875,
2005.
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K. Okuma,
T. Fujisaki,
Y. Nakazawa,
K. Saito,
M. Oguni.
Unusual low-temperature thermodynamic properties of pellet samples of (DMe-DCNQI)2M (M=Li, Ag),
J. Thermal Anal. Calorim.,
Vol. 81,
No. 3,
pp. 587-590,
2005.
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S. Yamashita,
T. Ishikawa,
T. Fujisaki,
A. Naito,
Y. Nakazawa,
M. Oguni.
Thermodynamic behavior of the 10 K class organic superconductor k-(BEDT-TTF)2Cu(NCS)2, studied by relaxation calorimetry,
Thermochim Acta,
Vol. 431,
No. 1-2,
pp. 123-126,
2005.
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M. Hatase,
M. Hanaya,
M. Oguni.
Studies of homogeneous-nucleation-based crystal growth: significant role of phenyl ring in the structure formation,
J. Non-Cryst. Solids,
Vol. 333,
pp. 129,
2004.
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S. Tsubouchi,
T. Kyomen,
M. Itoh,
M. Oguni.
Electric, magnetic, and calorimetric properties and phase diagram of Pr1-xCaxCoO3 (0<x<0.55),
Phys. Rev. B,
Vol. 69,
No. 14,
pp. 144406,
2004.
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Florentin Paladi,
Masaharu Oguni.
Generation and extinction of crystal nuclei in an extremely non-equilibrium glassy state of salol,
J. Phys.: Condens. Matter,
Vol. 15,
pp. 3909-3917,
2003.
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M. Hanaya,
A. Hatate,
M. Oguni.
Activation properties of Ag+-ion conduction in bulk amorphous AgI: estimation from extrapolation of the AgI composition dependence in AgI-Ag2O-P2O5 glasses,
J. Phys.: Condens. Matter,
Vol. 15,
pp. 3867-3873,
2003.
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Florentin Paladi,
Masaharu Oguni.
Anomalous Generation and Extinction of Crystal Nuclei in Non-equilibrium Supercooled Liquid of o-Benzylphenol,
Phys. Rev. B,
Vol. 65,
pp. 144202 1-6,
2002.
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Y. Yukawa,
S. Igarashi,
Y. Masuda,
M. Oguni.
Phase Transition and Glass Transition Concerning Configurational Order/Disorder of Ions in Crystalline (TMA)2[Sr{Ni(pro)2}6](ClO4)4 and (TMA)[Sm{Ni(pro)2}6](ClO4)4,
J. Mol. Structure,
Vol. 605,
pp. 277-290,
2002.
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M. Hanaya,
T. Hikima,
M. Hatase,
M. Oguni.
Low-Temperature Adiabatic Calorimetry of Salol and Benzophenone and Microscopic Observation of Their Crystallization: Finding of Homogeneous-Nucleation-Based Crystallization,
J. Chem. Thermodynamics,
Vol. 34,
No. 8,
pp. 1173-1194,
2002.
-
S. Tsubouchi,
T. Kyomen,
M. Itoh,
P. Ganguly,
M. Oguni,
Y. Shimojo,
Y. Morii,
Y. Ishii.
Simultaneous metal-insulator and spin-state transitions in Pr0.5Ca0.5CoO3,
Phys. Rev. B,
Vol. 66,
pp. 052418,
2002.
-
H. Fujimori,
T. Asaji,
M. Hanaya,
M. Oguni.
Orientational Ordering of Pyridinium Ion in Its Tetrabromoaurate(III) Salt: Intermediate Situation between Schottky Anomaly and Phase Transition,
J. Therm. Anal. Calorim.,
Vol. 69,
No. 3,
pp. 985-996,
2002.
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M. Hatase,
M. Hanaya,
T. Hikima,
M. Oguni.
Discovery of Homogeneous-Nucleation-Based Crystallization in Simple Glass-Forming Liquid of Toluene below Its Glass-Transition Temperature,
J. Non-Cryst. Solids,
Vol. 307-310,
pp. 257-263,
2002.
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M. Oguni,
T.M. Yoshida,
K. Wada,
Y. Fukuda,
N. Ogino,
T. Ito,
H. Miyamae,
K. Sata.
Calorimetric study of nickel complex compounds with tmen as a ligand: determination of the energetic parameters for the delta-lambda conformational change of the ethylenediamine framework,
J. Phys. Chem. Solids,
Vol. 62,
pp. 613-618,
2001.
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M. Hanaya,
M. Nomoto,
T. Miura,
M. Oguni.
Discovery of Dipolar-Glassy State in a Newly Found Solid-Solution System of C5NH6(BF4)1-x(PF6)x,
Solid State Commun.,
Vol. 115,
pp. 57-62,
2000.
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M. Hanaya,
H. Shibazaki,
M. Oguni,
T. Nemoto,
Y. Ohashi.
Orientational Ordering/Disordering of Ions Accompanied by Phase Transitions in Pyridinium Tetrafluoroborate Crystal,
J. Phys. Chem. Solids,
Vol. 61,
pp. 651-657,
2000.
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京免 徹,
小國 正晴,
伊藤 満.
層状ペロブスカイト型酸化物における過剰酸素配列の秩序化と動的性質,
熱測定,
Vol. 27,
No. 2,
pp. 67-76,
2000.
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引間 孝明,
花屋 実,
小國 正晴.
フラジル液体における低温結晶化過程,
熱測定,
Vol. 26,
No. 5,
pp. 173-185,
1999.
-
Tomoko Matsui Yoshida,
Kenji Wada,
Masaharu Oguni,
Takehiko Chiba,
Yutaka,
Fukuda.
Phase Relation and Molecular Motions of Mixed-Ligand Complex [Zn(hfac)2(tmen)] as studied by Calorimetry and 1H NMR Measurement,
J. Phys. Chem. Solids,
Vol. 60,
No. 11,
pp. 1787-1796,
1999.
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Toru Kyomen,
Masaharu Oguni,
Mitsuru Itoh,
Kenzo Kitayama.
Order-disorder phase transitions of excess oxygen atoms and their appearance as eutectoid and peritectoid reactions in La┣D22┫D2NiO┣D24+δ┫D2 (δ=0.047-0.116) crystals,
Phys. Rev. B,
Vol. 60,
No. 2,
pp. 815-821,
1999.
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Minoru Hanaya,
Atsuo Hatate,
Masaharu Oguni.
Formation of Amorphous AgI Aggregates Dominating Fast Ion Conductivity in AgI-Based Glasses,
Journal of Thermal Analysis and Calorimetry,
Vol. 57,
pp. 773-785,
1999.
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Takaaki Hikima,
Minoru Hanaya,
Masaharu Oguni.
Microscopic observation of a peculiar crystallization in the glass transition region and β-process as potentially controlling the growth rate in triphenylethylene,
J. Mol. Structure,
Vol. 479,
pp. 245-250,
1999.
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Kazuhisa Kobashi,
Masaharu Oguni.
Thermodynamic Consideration on a Series of Compounds (CH3)nCCl4-n: Correlation between Molecular Sphericity, Configurational Order/Disorder, and Molecular Packing in Plastically Crystalline and Liquid Phases,
J. Phys. Chem.,
Vol. 103,
No. 36,
pp. 7687-7694,
1999.
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Mayumi Mizukami,
Kazuhisa Kobashi,
Minoru Hanaya,
Masaharu Oguni.
Presence of Two Freezing-In Processes Concerning α-Glass Transition in the New Liquid Phase of Triphenyl Phosphite and Its Consistency with Cluster Structure and Intracluster Rearrangement for α Process Models,
J. Phys. Chem. B,
Vol. 103,
No. 20,
pp. 4078-4088,
1999.
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Toru Kyomen,
Masaharu Oguni,
Mitsuru Itoh,
Kenzo Kitayama.
Phase diagram and effect of excess oxygen atoms on the spin and charge ordering in La2NiO4+δ crystals,
Phys. Rev. B,
Vol. 60,
No. 21,
pp. 14841-14846,
1999.
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Toru Kyomen,
Masaharu Oguni,
Mitsuru Itoh,
Jian Ding Yu.
Calorimetric study of an electrochemically oxidized crystal of La2CuO4.05: Stabilization phenomenon, phase transitions, and a glass transition due to freezing-in of the rearrangement of excess oxygen atoms,
Phys. Rev. B,
Vol. 60,
No. 9,
pp. 6821-6826,
1999.
-
Norimaru Okamoto,
Masaharu Oguni,
Yuko Sagawa.
Generation and Extinction of a Crystal Nucleus below the Glass Transition Temperature,
J. Phys.: Condens. Matter,
Vol. 9,
pp. 9187-9198,
1997.
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MASAHARU OGUNI.
Intra-Cluster Rearrangement model for the α-Process in Supercooled Liquids, as Opposed to Cooperative Rearrangement of Whole Molecules within a Cluster,
J. Non-cryst. Solids,
Vol. 210,
pp. 171-177,
1997.
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MASAHARU OGUNI.
β-Molecular Rearrangement Process, But Not an α-Process, as Governing the Homogeneous Crystal-Nucleation Rate in a Supercooled Liquid(共著),
Bull. Chem. Soc. Jpn.,
Vol. 69,
pp. 1863-1868,
1996.
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MASAHARU OGUNI.
Discovery of Crystal Nucleation Proceeding Much below the Glass Transition Temperature in a Supercooled Liquid(共著),
Solid State Commun.,
Vol. 99,
pp. 53-56,
1996.
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MASAHARU OGUNI.
Phase Separation, Oxygen Composition, and a Glass Transition Due to Freezing-in of the Oxygen Rearrangement in La┣D22┫D2NiO┣D24.091┫D2 Single Crystal(共著),
Phys. Rev. B,
Vol. 52,
pp. 3177-3183,
1995.
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MASAHARU OGUNI.
Effect of Variation in the Glass-Former Network Structure on the Relaxation Properties of Conductive Ag┣D1+┫D1 Ions in AgI-Based Fast Ion Conductiong Glasses(共著),
Phys. Rev. B,
Vol. 52,
pp. 3234-3240,
1995.
-
Toru Kyomen,
Masaharu Oguni,
Mitsuru Itoh.
Emergence of Two Superconducting Phases (33 K and 40 K) and Their Relation to Structural Phase Transitions in Crystalline La┣D22┫D2CuO┣D24.011┫D2(共著),
Phys. Rev. B,
Vol. 51,
pp. 3181-3185,
1995.
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MASAHARU OGUNI.
Discovery of a Potentially Homogeneous-Nucleation-Based Crystallization around the Glass Transition Temperature in Salol(共著),
Solid State Commun.,
Vol. 93,
pp. 713-717,
1995.
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MASAHARU OGUNI.
Determination of Homogeneous-Nucleation-based Crystallization in ο-Terphenyl and an Interpretation of the Nucleation Enhancement Mechanism(共著),
Phys. Rev. B,
Vol. 52,
pp. 3900-3908,
1995.
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MASAHARU OGUNI.
Calorimetric Characterization and Computer Simulation, Based on a Thermal Activation Model, of Irreversible Structural-Relaxation Processes in Liquid Dibutylphthalate(共著),
J. Phys. : Condensed Matter,
Vol. 7,
pp. 6747-6760,
1995.
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MASAHARU OGUNI.
Nonlinearity of the Enthalpic Response Function to a Temperature Jump and Its Interpretation Based on Fragility in Liquid Glasses(共著),
Bull. Chem. Soc. Jpn.,
Vol. 68,
pp. 447-455,
1995.
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MASAHARU OGUNI.
Correlation Index(T┣D2gα┫D2-T┣D2gβ┫D2)/T┣D2gα┫D2 and Activation Energy Ratio Δε┣D2aα┫D2/Δε┣D2aβ┫D2 as Parameters Characterizing the Structure of Liquid and Glass(共著),
Solid State Commun.,
Vol. 94,
pp. 157-162,
1995.
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MASAHARU OGUNI.
Calorimetric and Resistometric Studies of La┣D22┫D2CuO┣D24+δ┫D2 Single Crystals : Displacive Character of Phase Transitions in 190-310 K(共著),
Solid State Commun.,
Vol. 90,
pp. 787-790,
1994.
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MASAHARU OGUNI.
Construction of an Adiabatic Calorimeter at Low Temperatures and Glass Transition of Crystalline 2-Bromothiophene(共著),
J. Phys. Chem. Solids,
Vol. 54,
pp. 271-280,
1993.
著書
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H. Fujimori,
A. Todoroki,
T. Asaji,
M. Oguni.
Glass Transition in the Stable Crystalline State of 3-Chlorothiophene,
Slow Dynamics in Complex Systems: 3rd International Symposium, edited by M. Tokuyama and I. Oppenheim,
Slow Dynamics in Complex Systems: 3rd International Symposium, edited by M. Tokuyama and I. Oppenheim,
Vol. 708,
pp. 685,
2004.
-
S. Maruyama,
K. Wakabayashi,
M. Oguni.
Thermal Properties of Supercooled Water Confined within Silica Gel Pores,
Slow Dynamics in Complex Systems: 3 rd International Symposium, edited by M. Tokuyama and I. Oppenheim,
Slow Dynamics in Complex Systems: 3 rd International Symposium, edited by M. Tokuyama and I. Oppenheim,
Vol. 708,
pp. 675,
2004.
-
Hiroshi Suga,
Masaharu Oguni.
Amorphous Materials and Their Elucidation by Adiabatic Calorimetry,
Chemical Thermodynamics A 'Chemistry for the 21st Century' monograph,
Chemical Thermodynamics A 'Chemistry for the 21st Century' monograph,
pp. 227-237,
1999.
国際会議発表 (査読有り)
-
MASAHARU OGUNI.
Thermal Properties of the Water Confined within Nanopores of Silica MCM-41,
5th Internationsal Workshop on Complex Systems,
AIP Conference Proceedings/ Complex Systems,
American Institute of Physics,
Vol. 982,
pp. 34-38,
Mar. 2008.
-
MASAHARU OGUNI.
Ordering and Glass-transition Behaviors of the Water Confined between the Silicate Layers in Na(H)-RUB-18,
5th International Workshop on Complex Systems,
AIP Conference Proceedings/ Complex Systems,
American Institute of Physics,
Vol. 982,
pp. 189-191,
Mar. 2008.
-
MASAHARU OGUNI.
Glass Transition Behaviors of Ethylene Glycol-Water Solutions Confined Within Nano-pores of Silica Gel,
5th International Workshop on Complex Systems,
AIP Conference Proceedings/ Complex Systems,
American Institute of Physics,
Vol. 982,
pp. 185-188,
Mar. 2008.
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