Meyers, Philip A; Trull, Tom W; Kawka, Orest E (1984): Organic geochemical comparison of Cretaceous green and black claystones from Hole 530A in the Angola Basin. In: Hay, WW; Sibuet, J-C; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 75, 1009-1018, doi:10.2973/dsdp.proc.75.132.1984