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 "Astroth, Joseph H.",Understanding peasant agriculture : an integrated land-use model for the Punjab,,"University of Chicago, Committee on Geographical Studies",1990,Geography research paper,,0890651272,,https://cir.nii.ac.jp/crid/1130282268715162752