著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "International Energy Agency and International Energy Agency. Gas, Coal and Power Division",Coal : market trends and projections to 2018,,International Energy Agency,2013,Medium-term market report,,9789264191204,,https://cir.nii.ac.jp/crid/1130282270088841472