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 "Watts, A. B. (Anthony Brian) and Takakjian, Portia and Geological Society of America","Gravity field of the northwest Pacific Ocean basin and its margin : Aleutian Island, ARC-Trench System",,Geological Society of America,1975,Map and chart series,,,,https://cir.nii.ac.jp/crid/1130000796484529536