Boersma, Anne (1985): Oligocene benthic foraminifers from North Atlantic sites; benthic foraminifers as water-mass indexes in the North and South Atlantic. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Bougault, Henri, Cande, Steven C., Brannon, Joyce C., Christie, David M., Clark, Murlene, Curtis, Doris Malkin, Drake, Natalie, Echols, Dorothy J., Hill, Ian Ashley, Khan, Mohammed Javed, Mills, William G., Neuser, Rolf, Rideout, Marion L., Weaver, Barry L., Whalen, Elizabeth (editor), Initial reports of the Deep Sea Drilling Project; covering Leg 82 of the cruises of the Drilling Vessel Glomar Challenger; Ponta Delgada, Azores, to Balboa, Panama; September-November 1981, 82, 611-627, georefid:1985-081679