@book{CTT100817160,
  author = {梅本晋},
  title = {材料科学実験（M,P,C）},
  publisher = {},
  year = 2020,
}

@book{CTT100789927,
  author = {梅本晋},
  title = {高分子の結晶化制御ー研究開発の最前線とその応用ー普及版},
  publisher = {株式会社シーエムシー出版},
  year = 2019,
}

@book{CTT100789919,
  author = {梅本晋},
  title = {材料科学実験（M,P,C）},
  publisher = {東京工業大学文献普及会},
  year = 2018,
}

@book{CTT100752583,
  author = {梅本晋},
  title = {材料科学実験},
  publisher = {東京工業大学文献普及会},
  year = 2016,
}

@book{CTT100722476,
  author = {梅本晋},
  title = {材料科学実験},
  publisher = {東京工業大学文献普及会},
  year = 2016,
}

@book{CTT100642516,
  author = {梅本晋 and 奥居徳昌},
  title = {第7章 球晶構造形成過程のその場計測},
  publisher = {シーエムシー出版},
  year = 2012,
}

@book{CTT100642518,
  author = {奥居徳昌 and 梅本晋},
  title = {第1章 高分子の特徴と結晶化の基礎},
  publisher = {シーエムシー出版},
  year = 2012,
}

@book{CTT100534473,
  author = {Norimasa Okui and Susumu Umemoto and Ryuichiro Kawano and Al Mamun},
  title = {Progress in Understanding of Polymer Crystallization},
  publisher = {Springer},
  year = 2006,
}

@book{CTT100427115,
  author = {奥居 徳昌 and 梅本 晋},
  title = {マイクロメカニカルシステム},
  publisher = {フジテクノシステム},
  year = 1992,
}

@book{CTT100427117,
  author = {奥居 徳昌 and 梅本 晋},
  title = {マイクロメカニカルシステム},
  publisher = {フジテクノシステム},
  year = 1992,
}

@book{CTT100427114,
  author = {susumu Umemoto and Norimasa Okui and Tetsuya Sakai},
  title = {Polymer Gels},
  publisher = {Plenum Publishing Co.},
  year = 1991,
}

@book{CTT100427118,
  author = {梅本 晋 and 奥居 徳昌},
  title = {人工筋肉},
  publisher = {金属},
  year = 1991,
}

@article{CTT100592331,
  author = {仲村佳代 and 中村佐武郎 and 梅本晋 and 奥居徳昌},
  title = {アイソタクチックポリプロピレンα型、β型結晶の核発生挙動},
  journal = {高分子論文集},
  year = 2009,
}

@article{CTT100583666,
  author = {Kayo NAKAMURA and Satoko SHIMIZU and Susumu UMEMOTO and Annette THIERRY and Bernard LOTZ and Norimasa OKUI},
  title = {Temperature Dependence of Crystal Growth Ratw for α and β Forms of Isotactic Polypropylene},
  journal = {Polymer Journal},
  year = 2008,
}

@article{CTT100549863,
  author = {Al Mamun and Susumu Umemoto and Norimasa Okui},
  title = {Self-Seeding Effect on Primary Nucleation of Isotactic Polysyrene},
  journal = {Macromolecules},
  year = 2007,
}

@article{CTT100534475,
  author = {Al Mamun and S. Umemoto and N. Ishihara and N. Okui},
  title = {Influence of thermal history on primary nucleation and crystal growth rates of isotactic   polystyrene},
  journal = {Polymer},
  year = 2006,
}

@article{CTT100521990,
  author = {S.Umemoto and N.Okui},
  title = {Power law and scaling for molecular weight dependence of crystal growth rate in polymeric materials},
  journal = {Polymer},
  year = 2005,
}

@article{CTT100799444,
  author = {S. Umemoto and R. Hayashi and R. Kawano and T. Kikutani and N. Okui},
  title = {Molecular Weight Dependence of Primary Nucleation Rate of Poly(Ethylene Succinate)},
  journal = {Journal of Macromolecular Science Part B Physics},
  year = 2003,
}

@article{CTT100521988,
  author = {K.Kawashima and R.Kawano and T.Miyagi and S.Umemoto and N.Okui},
  title = {Morphological changes in flat-on and edge-on lamellae of PESU crystallized from molten thin films},
  journal = {J. Macromolecular Sci.},
  year = 2003,
}

@article{CTT100521989,
  author = {S.Umemoto and R.Hayashi and R.Kawano and T.Kikuntani and N.Okui},
  title = {Molecular weight dependence of primary nucleation rate of PESU},
  journal = {J. Macromolecular Sci.},
  year = 2003,
}

@article{CTT100521987,
  author = {A.Kubono and N.Yuasa and H.L.Shao and S.Umemoto and N.Okui},
  title = {Adsorption Characteristics of Organic Long Chain Molecules During Physical Vapor Deposition},
  journal = {Applied Surface Science},
  year = 2002,
}

@article{CTT100521985,
  author = {S.Umemoto and N.Okui},
  title = {Master Curve of Crystal Growth Rate and its Corresponding State in Polymeric Materials},
  journal = {Polymer},
  year = 2002,
}

@article{CTT100521984,
  author = {S.Umemoto and N.Kobayashi and N.Okui},
  title = {Molecular Weight Dependence of Crystal Growth Rate and its Degree of Supercooling Effect},
  journal = {J. Macromolecular Science},
  year = 2002,
}

@article{CTT100385349,
  author = {TAKESHI KIKUTANI and Katsumi Morohoshi and Hee Yeoul Yoo and Susumu Umemoto and NORIMASA OKUI},
  title = {Fiber Structure Development in High-Speed Melt Spinning of Copolyesters : Poly (Ethylene Terephthalute-CO-1, 4-Cyclohexylene Dimethylene Terephthalate)},
  journal = {Polymer Engineering and Science},
  year = 1995,
}

@article{CTT100427111,
  author = {Susumu Umemoto and Yuichi Itoh and Tetsuya Sakai and Norimasa Okui},
  title = {Elongation/Contraction Properties for Poly(acrylonitrile) Gel Fibers Stimulated by pH},
  journal = {Polymer Gels and Networks},
  year = 1993,
}

@article{CTT100427112,
  author = {梅本 晋 and 奥居 徳昌 and 酒井 哲也},
  title = {アクリルアミドゲル繊維の溶媒組成変化による膨潤・収縮挙動とその機構},
  journal = {材料科学},
  year = 1989,
}

@article{CTT100427113,
  author = {Susumu Umemoto and Yuichi Itoh and Norimasa Okui and Tetsuya Sakai},
  title = {Relationship between Contraction Behavior and Mechanical Properties of Poly(acrylamide) Gel Fibers},
  journal = {Report on Progress in Polymer Physics in Japan},
  year = 1988,
}

@inproceedings{CTT100663109,
  author = {梅本晋 and 奥居徳昌},
  title = {溶融結晶化過程での飽和型核発生挙動に関する研究III},
  booktitle = {高分子学会予稿集},
  year = 2013,
}

@inproceedings{CTT100663113,
  author = {仲摩 雄季 and 早野 重孝 and 梅本晋},
  title = {立体規則性シクロオレフィンポリマーの結晶構造},
  booktitle = {高分子学会予稿集},
  year = 2013,
}

@inproceedings{CTT100663108,
  author = {梅本晋 and 奥居徳昌},
  title = {溶融結晶化過程での飽和型核発生挙動に関する研究II},
  booktitle = {高分子学会予稿集},
  year = 2012,
}

@inproceedings{CTT100642521,
  author = {青木浩之 and 梅本晋 and 奥居徳昌},
  title = {ポリエチレンオキサイドにおけるHoffman-Weeksプロットの分子量依存性},
  booktitle = {繊維学会予稿集},
  year = 2012,
}

@inproceedings{CTT100642520,
  author = {梅本晋 and 薄田健一郎 and 宝田亘 and 鞠谷雄士 and 奥居徳昌},
  title = {溶融結晶化過程での飽和型核発生挙動に関する研究},
  booktitle = {高分子学会予稿集},
  year = 2011,
}

@inproceedings{CTT100628660,
  author = {薄田 健一郎 and 梅本 晋 and 奥居 徳昌 and 宝田 亘 and 鞠谷 雄士},
  title = {ポリエチレンサクシネートの飽和型核発生挙動},
  booktitle = {繊維学会予稿集},
  year = 2011,
}

@inproceedings{CTT100610309,
  author = {薄田健一郎 and 梅本晋 and 奥居徳昌},
  title = {ポリエチレンサクシネートノ全結晶化挙動[III]},
  booktitle = {高分子学会予稿集},
  year = 2010,
}

@inproceedings{CTT100628657,
  author = {梅本 晋 and 薄田 健一郎 and 奥居 徳昌},
  title = {核発生挙動に及ぼす結晶成長の影響},
  booktitle = {高分子学会予稿集},
  year = 2010,
}

@inproceedings{CTT100610308,
  author = {仲村佳代 and 梅本晋 and 奥居徳昌},
  title = {チーグラ・ナッタiPPとメタロセンiPPの結晶化挙動},
  booktitle = {高分子学会予稿集},
  year = 2010,
}

@inproceedings{CTT100592334,
  author = {薄田 健一郎 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンサクシネートの全結晶化挙動[II]},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2009,
}

@inproceedings{CTT100592335,
  author = {山岸 洋毅 and 梅本 晋 and 奥居 徳昌},
  title = {核発生挙動に及ぼすExclusion Zoneの影響[II]},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2009,
}

@inproceedings{CTT100592333,
  author = {仲村佳代 and 中村佐武郎 and 梅本晋 and 奥居徳昌},
  title = {アイソタクチックポリプロピレンα/β型結晶の核発生挙動[II]},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2009,
}

@inproceedings{CTT100583660,
  author = {青木 浩之 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンオキシド結晶成長速度の結晶化温度、分子量依存性},
  booktitle = {繊維学会予稿集},
  year = 2009,
}

@inproceedings{CTT100583662,
  author = {薄田 健一郎 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンサクシネートの全結晶化挙動},
  booktitle = {繊維学会予稿集},
  year = 2009,
}

@inproceedings{CTT100583661,
  author = {中村 佐武郎 and 仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {アイソタクチックポリプロピレンα/β型結晶の核発生挙動},
  booktitle = {繊維学会予稿集},
  year = 2009,
}

@inproceedings{CTT100583658,
  author = {中村 佐武郎 and 仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {アイソタクチックポリプロピレンα/β型結晶の核発生挙動},
  booktitle = {高分子学会年次大会予稿集},
  year = 2009,
}

@inproceedings{CTT100583657,
  author = {山岸 洋毅 and 仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {核発生挙動に及ぼすExclusion Zoneの影響},
  booktitle = {高分子学会年次大会予稿集},
  year = 2009,
}

@inproceedings{CTT100583659,
  author = {薄田 健一郎 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンサクシネートの全結晶化挙動},
  booktitle = {高分子学会年次大会予稿集},
  year = 2009,
}

@inproceedings{CTT100583656,
  author = {大野 法由 and 梅本 晋 and 奥居 徳昌 and 手塚 育志},
  title = {線状、環状ポリテトラメチレンオキサイドの結晶化挙動},
  booktitle = {高分子討論会予稿集},
  year = 2008,
}

@inproceedings{CTT100583655,
  author = {滝田 智仁 and 梅本 晋 and 奥居 徳昌},
  title = {球晶成長過程中に発生するキャビテーション現象},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2008,
}

@inproceedings{CTT100583654,
  author = {仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {アイソタクチックポリプロピレンα、β晶球晶の結晶化温度依存性と安定性},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2008,
}

@inproceedings{CTT100583653,
  author = {梅本 晋 and 遠藤 克佳 and 奥居 徳昌},
  title = {バンド球晶の三次元構造},
  booktitle = {高分子学会高分子討論会予稿集},
  year = 2008,
}

@inproceedings{CTT100562870,
  author = {山岸 洋毅 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンサクシネートの核発生挙動},
  booktitle = {繊維学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562869,
  author = {青木 浩之 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンオキサイドの結晶成長速度の分子量依存性},
  booktitle = {繊維学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562871,
  author = {仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {アイソタクチックポリプロピレンのα晶とβ晶の結晶化温度依存性},
  booktitle = {繊維学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562862,
  author = {梅本 晋 and 滝田 智仁 and 山岸 洋毅 and 奥居 徳昌},
  title = {球晶成長過程中に発生するキャビテーション現象[II]},
  booktitle = {高分子学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562863,
  author = {仲村 佳代 and 山岸 洋毅 and 梅本 晋 and 奥居 徳昌},
  title = {アイソタクチックポリプロピレンα晶の結晶化温度依存性},
  booktitle = {高分子学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562858,
  author = {滝田 智仁 and 青木 浩之 and 梅本 晋 and 奥居 徳昌},
  title = {球晶成長過程中に発生するキャビテーション現象[I]},
  booktitle = {高分子学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562867,
  author = {佐藤 雅孝 and 仲村 佳代 and 梅本 晋 and 奥居 徳昌},
  title = {ポリエチレンアジペートの不連続結晶成長速度機構},
  booktitle = {高分子学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562866,
  author = {大野 法由 and 青木 浩之 and 梅本 晋 and 奥居 徳昌 and 手塚 育志},
  title = {線状、環状ポリテトラメチレンオキサイドの結晶化挙動},
  booktitle = {高分子学会予稿集},
  year = 2008,
}

@inproceedings{CTT100562878,
  author = {Hiroyuki AOKI and Susumu UMEMOTO and Norimasa OKUI},
  title = {Molecular Weight Dependence of Crystal Growth Rate for Poly(ethylene oxide)},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100562881,
  author = {Al MAMUN and Susumu UMEMOTO and Norimasa OKUI},
  title = {Nucleation Behavior of Isotactic Polystyrene crystallized from the Glassy State},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100562872,
  author = {Tomohito TAKITA and Yuko IMANISHI and Susumu UMEMOTO and Norimasa OKUI},
  title = {Characterization for Negative Pressure during Dpherulite Growth and Cavitation Phenomena},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100562874,
  author = {Hiroki YAMAGISHI and Susumu UMEMOTO and Norimasa OKUI},
  title = {Nucleation Behavior of Poly(ethylene succinate)},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100562875,
  author = {Susumu UMEMOTO and Katsuyoshi ENDOH and Norimasa OKUI},
  title = {Three Dimentional Structure of Poly(butylene succinate) Spherulite},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100562877,
  author = {Kayo NAKAMURA and Susumu UMEMOTO and Norimasa OKUI},
  title = {Crystalliation Temperature Dependence of Crystal Growth Rate and Crystal Forms for Isotactic Polypropylene},
  booktitle = {Preceeding of International Symposium on Polymer Crystallization},
  year = 2007,
}

@inproceedings{CTT100534484,
  author = {遠藤克佳 and 梅本 晋 and 奥居徳昌},
  title = {ポリブチレンサクシネートの三次元球晶構造},
  booktitle = {繊維学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534482,
  author = {Al Mamun and 梅本 晋 and 奥居徳昌},
  title = {ポリスチレンの核発生挙動},
  booktitle = {繊維学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534483,
  author = {仲村佳代 and 梅本 晋 and 奥居徳昌},
  title = {ポリプロピレンの結晶成長速度に及ぼす結晶型変化},
  booktitle = {繊維学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534478,
  author = {仲村佳代 and 青木浩之 and 梅本 晋 and 奥居徳昌},
  title = {ポリプロピレンの結晶成長速度の結晶化温度依存性と結晶型変化},
  booktitle = {高分子学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534479,
  author = {弘瀬貴之 and 滝田智仁 and 仲村佳代 and 梅本 晋 and 奥居徳昌},
  title = {ポリブチレンアジペートの不連続結晶成長速度と結晶型変化},
  booktitle = {高分子学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534481,
  author = {遠藤克佳 and 大野法由 and 滝田智仁 and 梅本 晋 and 奥居徳昌},
  title = {ポリブチレンサクシネート球晶の三次元構造},
  booktitle = {高分子学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534480,
  author = {梅本 晋 and 遠藤克佳 and 山岸洋毅 and 滝田智仁 and 奥居徳昌},
  title = {バンド球晶切片試料のモルフォロジー},
  booktitle = {高分子学会予稿集},
  year = 2007,
}

@inproceedings{CTT100534488,
  author = {S. Umemoto and K. Kodama and N. Okui},
  title = {Unusual Crystal Structure and Formation Mechanism for Polyamide Thin Films prepared by Vapor Deposition Polymerization},
  booktitle = {Tokyo Tech-KAIST Core University Exchange Program Proceedings},
  year = 2006,
}

@inproceedings{CTT100522014,
  author = {小玉 和史 and 梅本 晋 and 奥居 徳昌},
  title = {真空蒸着重合ポリアミド薄膜の特異な結晶構造と形成機構},
  booktitle = {繊維学会予稿集},
  year = 2006,
}

@inproceedings{CTT100522018,
  author = {A.Mamun and S.Umemoto and N.Okui},
  title = {Thermal History Effects of Primary Nucleation Rate from Molten and Glassy State},
  booktitle = {繊維学会予稿集},
  year = 2006,
}

@inproceedings{CTT100522017,
  author = {今西 優子 and 滝田 智仁 and 梅本 晋 and 奥居 徳昌},
  title = {球晶成長過程中に発生する負圧の測定とキャビテーション現象},
  booktitle = {繊維学会予稿集},
  year = 2006,
}

@inproceedings{CTT100522013,
  author = {奥居 徳昌 and 梅本 晋},
  title = {高分子の結晶成長速度における分子量依存性},
  booktitle = {繊維学会予稿集},
  year = 2006,
}

@inproceedings{CTT100522021,
  author = {陳　一萌 and 仲村　佳代 and 梅本　晋 and 奥居　徳昌},
  title = {ポリエチレンサクシネートの全結晶化速度の分子量依存性},
  booktitle = {高分子学会年次大会予稿集},
  year = 2006,
}

@inproceedings{CTT100522020,
  author = {滝田　智仁 and 今西　優子 and 遠藤　克佳 and 梅本　晋 and 奥居　徳昌},
  title = {球晶成長過程中に発生する負圧の測定とキャビテーション現象[II]},
  booktitle = {高分子学会年次大会予稿集},
  year = 2006,
}

@inproceedings{CTT100522019,
  author = {今西　優子 and 仲村　佳代 and 滝田　智仁 and 梅本　晋 and 奥居　徳昌},
  title = {球晶成長過程中に発生する負圧の測定とキャビテーション現象[I]},
  booktitle = {高分子学会年次大会予稿集},
  year = 2006,
}

@inproceedings{CTT100522024,
  author = {A. Mamun and S.Umemoto and N.Okui},
  title = {Thermal History Effects of Primary Nucleation Rate from Molten and Glassy States},
  booktitle = {高分子学会年次大会予稿集},
  year = 2006,
}

@inproceedings{CTT100522022,
  author = {小玉　和史 and 弘瀬　貴之 and 梅本　晋 and 奥居　徳昌},
  title = {真空蒸着重合ポリアミド薄膜の特異な結晶構造と形成機構},
  booktitle = {高分子学会年次大会予稿集},
  year = 2006,
}

@inproceedings{CTT100522003,
  author = {A. Mamun and S.Umemoto and N.Okui},
  title = {Nucleation Behavior of Isotactic Polystyrene},
  booktitle = {繊維学会予稿集},
  year = 2005,
}

@inproceedings{CTT100522004,
  author = {清水 聡子 and 今西 優子 and 小玉 和史 and 梅本 晋 and 奥居 徳昌},
  title = {ポリプロピレンの結晶形と結晶成長速度の結晶化温度依存性},
  booktitle = {繊維学会予稿集},
  year = 2005,
}

@inproceedings{CTT100522011,
  author = {吉田　晋太郎 and 河野　隆一朗 and 梅本　晋 and 奥居　徳昌},
  title = {ポリエチレンサクシネートの核形成速度の分子量依存性に現れるクロスオーバ現象},
  booktitle = {高分子学会年次大会予稿集},
  year = 2005,
}

@inproceedings{CTT100522009,
  author = {清水　聡子 and 田村　高史郎 and 梅本　晋 and 奥居　徳昌},
  title = {ポリプロピレンの結晶形と結晶成長特性},
  booktitle = {高分子学会年次大会予稿集},
  year = 2005,
}

@inproceedings{CTT100522008,
  author = {弘瀬　貴之 and 村山　英司 and 梅本　晋 and 奥居　徳昌},
  title = {ポリブチレンアジペートの結晶成長機構},
  booktitle = {高分子学会年次大会予稿集},
  year = 2005,
}

@inproceedings{CTT100522007,
  author = {澤田　法吉 and 今西　優子 and 梅本　晋 and 奥居　徳昌},
  title = {ポリブチレンサクシネートのバンド球晶と結晶化機構},
  booktitle = {高分子学会年次大会予稿集},
  year = 2005,
}

@inproceedings{CTT100522012,
  author = {小島　崇明 and 小玉　和史 and 梅本　晋 and 奥居　徳昌},
  title = {真空蒸着重合脂肪族-芳香族ポリアミド薄膜の構造},
  booktitle = {高分子学会年次大会予稿集},
  year = 2005,
}

@misc{CTT100521992,
  author = {奥居徳昌 and 梅本晋},
  title = {高分子の結晶化速度の分子量依存性},
  year = 2005,
}

@misc{CTT100521991,
  author = {奥居徳昌 and 梅本晋},
  title = {結晶成長速度の分子量依存性とユニバーサル曲線},
  year = 2005,
}

@misc{CTT100521986,
  author = {N.Okui and S.Umemoto},
  title = {Maximum crystal growth rate and its corresponding state in polymeric materials},
  year = 2002,
}

@misc{CTT100594319,
  author = {susumu umemoto},
  title = {γ線照射ポリエチレン伸び切り結晶の熱発光と電子スピン共鳴},
  year = 1980,
}

@misc{CTT100612561,
  author = {梅本晋 and 奥居徳昌 and 山岸　洋毅 and 奥居　徳昌},
  title = {複屈折測定装置},
  howpublished = {公開特許},
  year = 2010,
  month  = {},
  note   = {特願2008-315167(2008/12/11), 特開2010-139345(2010/06/24)}
}




@mastersthesis{CTT100594319,
  author = {susumu umemoto},
  title = {γ線照射ポリエチレン伸び切り結晶の熱発光と電子スピン共鳴},
  school = {東京工業大学},
  year = 1980,
}