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 "Fleischer, R. L. (Robert Louis) and General Electric Company. Research Laboratory","Fission track dating of bed I, Olduvai Gorge",,Research Information Section,1965,Report,,,,https://cir.nii.ac.jp/crid/1130000797237588864