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
"Ehlers, Eckart and International Geographical Union","40 years after : German geography : developments, trends and prospects 1952-1992 : a report to the International Geographical Union",,"Deutsche Forschungsgemeinschaft,Institute for Scientific Co-operation,Distribution, Geographische Institute der Universität Bonn",1992,Applied geography and development,,3922362141,,https://cir.nii.ac.jp/crid/1130282272090799872