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
International Geographical Congress,Proceedings of symposium on population geography : held at New Delhi on 27-30 November 1968,,National Committee for Geography,1971,"21st International Geographical Congress, India 1968 Inde",,,,https://cir.nii.ac.jp/crid/1130282269981508096