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前川 忠. "1.2 原油の輸入と備蓄(1. 石油,II エネルギー資源の利用技術の進展と研究動向,平成23年における重要なエネルギー関係事項)." Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy 91.8 (2012) 698-703