Hooper, P. W. P.; Weaver, Philip P. E. (1987): Paleoceanographic significance of late Miocene to early Pliocene planktonic foraminifers at Deep Sea Drilling Project Site 609. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Ruddiman, William F., Kidd, Robert B., Baldauf, Jack G., Clement, Bradford M., Dolan, James F., Eggers, Margaret R., Hill, Philip R., Keigwin, Lloyd D., Jr., Mitchell, Margie, Philipps, Isabelle, Robinson, Frank, Salehipour, Sassan A., Takayama, Toshiaki, Thomas, Ellen, Unsold, Gerhard, Weaver, Philip P. E., Orlofsky, Susan (editor), Initial reports of the Deep Sea Drilling Project covering Leg 94 of the cruises of the drilling vessel Glomar Challenger, Norfolk, Virginia, to St. John's, Newfoundland, June-August 1983, 94 (1-2), 925-934, georefid:1987-027530