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 "Wagner-Manslau and Wullen, Hilda H.",Heredity as an explanation of the declining birth-rate,,Eugenics Research Association,1931,Monograph series,,,,https://cir.nii.ac.jp/crid/1130000794143825664