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
"Marx, Robert E. and Birkhead, James Wesley",Hay harvesting methods and costs,,U.S. Dept. of Agriculture,1951,Department circular,,,,https://cir.nii.ac.jp/crid/1130282272028930432