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
"Kononenko, A. and Polyak, A. and United Nations. Economic Commission for Europe","Mechanization of Agriculture : present and foreseeable trends in the development of tractors, especially high-capacity tractors",,United Nations,1972,Agri/Mech,,,,https://cir.nii.ac.jp/crid/1130000793944265984