Planktonic Foraminifera from the Oligocene-Miocene Cipero and Langua formations of Trinidad, B.W.I
Bolli, Hans M. (Hans Martin), 1917-2007
Article
1957
Bulletin
215
97--123
BioStor
English
Washington G.P.O 1907-1971
BioStor: https://biostor.org/reference/106007