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
"Verbeek, J. W.","Calcareous nannoplankton biostratigraphy of middle and upper Cretaceous deposits in Tunisia, Southern Spain and France",,"Dept. of Stratigraphy and Paleontology, State University of Utrecht",1977,Utrecht micropaleontological bulletins,,,,https://cir.nii.ac.jp/crid/1130282269136632064