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 "Eckel, Edwin C. (Edwin Clarence) and Burchard, Ernest F. and United States. Dept. of the Interior and Geological Survey (U.S.)",Portland cement materials and industry in the United States,,Government Printing Office,1913,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000793974029824