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
"Cohen, A. Clifford and Falls, L. W.",Estimation in mixed frequency distributions,,National Aeronautics and Space Administration,1967,NASA technical note,,,,https://cir.nii.ac.jp/crid/1130570142929921672