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 ,The Suez Canal and its impact on tanker trades and economics,,H.P. Drewry (Shipping Consultants) Ltd.,1978,An Economic study,,,,https://cir.nii.ac.jp/crid/1130282272505094144