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. Dept. of Agriculture,Technological factors in the expansion of agricultural production in West Europe,,U.S. G.P.O.,1957,Foreign agriculture report,,,,https://cir.nii.ac.jp/crid/1130000794576549632