Poore, Richard Z. (1981): Temporal and spatial distribution of ice-rafted mineral grains in Pliocene sediments of the North Atlantic; implications for late Cenozoic climatic history. SEPM (Society for Sedimentary Geology), Tulsa, OK, United States, In: Warme, John E. (editor), Douglas, Robert G. (editor), Winterer, Edward L. (editor), The Deep Sea Drilling Project; a decade of progress, 505-515, georefid:1982-040058