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 "Igodt, Paul","Crystallographic groups and their generalizations : workshop Katholieke Universiteit Leuven Campus Kortrijk, Belgium, May 26-28, 1999",,American Mathematical Society,2000,Contemporary mathematics,,082182001X,,https://cir.nii.ac.jp/crid/1130282271133517568