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
"Mahendra Dev, S",Towards an explanation of spatial and temporal variations in cropping intensity in India,,Indira Gandhi Institute of Development Research,1989,Reprint/preprint series,,,,https://cir.nii.ac.jp/crid/1130282269842016640