Deroo, G.; Herbin, J. P.; Roucache, J.; Tissot, B.; Albrecht, P.; Schaeffle, J. (1977): Organic geochemistry of some Cretaceous black shales from sites 367 and 368; Leg 41, eastern North Atlantic. 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, 865-873, georefid:1978-027289