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 "Bieri, Robert and Geoghegan, Ross",Connectivity properties of group actions on non-positively curved spaces,,American Mathematical Society,2003,Memoirs of the American Mathematical Society,,0821831844,,https://cir.nii.ac.jp/crid/1130282270339089792