Hodell, David A.; Kennett, James P.; Leonard, Kathleen A. (1983): Climatically induced changes in vertical water mass structure of the Vema Channel during the Pliocene; evidence from Deep Sea Drilling Project holes 516A, 517, and 518. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Barker, Peter F., Johnson, David A., Carlson, Richard L., Cepek, Pavel, Coulbourn, William T., Gamboa, Luiz A., Hamilton, Norman, de Melo, Ubirajara, Pujol, Claude, Shor, Alexander N., Suzyumov, Alexey E., Tjalsma, Leonard R. C., Walton, William H., Whalen, Elizabeth (editor), Initial reports of the Deep Sea Drilling Project covering Leg 72 of the cruises of the drilling vessel Glomar Challenger, Santos, Brazil to Santos, Brazil, February-April, 1980, 72, 907-919, georefid:1984-034771