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 United States. Army Map Service,Ulaan Baatar,Ed. 2-AMS,"[Army Map Service, Corps of Engineers, U.S. Army]",1955,Series,,,,https://cir.nii.ac.jp/crid/1130282272921301248