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 "Capp, John P.",Underground gasification of coal : Second experiment in preparing a path through a coalbed by hydraulic fracturing,,Hirakawa Bunken Seminar,1961,"U. S. Bureau of Miner, Report of Investigations",,,,https://cir.nii.ac.jp/crid/1130000796919778944