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 "Dawson, J. R. (James Robert) and Van Horn, A. G. (Archie Glenn) and United States. Dept. of Agriculture",Comparison of a trench silo with an upright silo,,U.S. Dept. of Agriculture,1933,Circular,,,,https://cir.nii.ac.jp/crid/1130282269098801152