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. Ordnance Dept,"The manufacture of optical glass and of optical systems : a war-time problem : May, 1921",,Government Printing Office,1924,Document,,,,https://cir.nii.ac.jp/crid/1130282271037858944