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 "Kratz, Alonzo P. and Fellows, Julian R.",Pressure losses resulting from changes in cross-sectional area in air ducts,,University of Illinois,1938,University of Illinois bulletin,,,,https://cir.nii.ac.jp/crid/1130282269229722368