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 "National Conference on Clays and Clay Minerals and Swineford, Ada","Clays and clay minerals : proceedings of the Fourth National Conference on Clays and Clay Minerals, The Pennsylvania State University, University Park, Pennsylvania, October 10-13, 1955",,National Academy of Sciences - National Research Council,1956,Publication,,,,https://cir.nii.ac.jp/crid/1130000797839138688