Dumitrica, P. (1973): Paleocene Radiolaria, DSDP Leg 21. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 21 (Suva, Fiji, to Darwin, Australia; Nov. 1971-Jan. 1972), 787-817, georefid:1976-022636