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
Drewry Shipping Consultants,"The influence of obsolescence, scrapping and losses on the tanker fleet",,H.P. Drewry (Shipping Consultants),1980,An Economic study,,,,https://cir.nii.ac.jp/crid/1130282272673824768