Kvenvolden, K. A. (1977): Organic geochemistry Leg 41, introduction and summary. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Gardner, J. (editor), Herring, J. (editor), Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975, 41, 815, georefid:1978-027280