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 "Hansen, N. E.","The wild alfalfas and clovers of Siberia, with a perspective view of the alfalfas of the world",,Government Printing Office,1909,"U.S. Department of Agriculture, Bureau of Plant Industry bulletin",,,,https://cir.nii.ac.jp/crid/1130000797563691392