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 "IGU-Symposium (1991 : Munich, Germany) and Heinritz, Günter",The attraction of retail locations : IGU-Symposium 5.-8. August 1991,,M. Lassleben,1992,Münchener geographische Hefte,,3784760694,,https://cir.nii.ac.jp/crid/1130282270893689472