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 "Shafrir, Uri and Neiburger, Morris",Collision efficiencies of two spheres falling in a viscous medium : for Reynolds numbers up to 19.2,,University of California Press,1964,University of California publications : occasional papers,,,,https://cir.nii.ac.jp/crid/1130000795690220672