Rösler, W., Lutze, G. F. & Pflaumann, U. (1979). Some Cretaceous planktonic foraminifers (Favusella) of DSDP site 397 (Eastern Northern Atlantic). Initial Reports of the Deep Sea Drilling Project. 67(1): 273-281.
Rösler, W., Lutze, G. F. & Pflaumann, U. (1979). Some Cretaceous planktonic foraminifers (Favusella) of DSDP site 397 (Eastern Northern Atlantic). Initial Reports of the Deep Sea Drilling Project. 67(1): 273-281