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 and Sárfalvi, Béla and Balkay, Bálint and Dudich, Endre and Kecskés, Béla and Compton, Paul A. (Paul Alwyn)",Research problems in Hungarian applied geography,,Akadémiai Kiadó,1969,Studies in geography in Hungary,,,,https://cir.nii.ac.jp/crid/1130000794086229632