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 "Casey-Maslen, Stuart",Drones and other unmanned weapons systems under international law,,Brill Nijhoff,2018,International humanitarian law series,,9789004363250,,https://cir.nii.ac.jp/crid/1130000797820730752