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 Institut international d'agriculture,Investigations into the margin between producers' and consumers' prices of certain foodstuffs,,Villa Umberto,1937,Contributions to the study of the problem of nutrition,,,,https://cir.nii.ac.jp/crid/1130282268751979904