Raymo, M. E.; Grant, B.; Horowitz, M.; Rau, G. H. (1996): Mid-Pliocene warmth; stronger greenhouse and stronger conveyor. Elsevier, Amsterdam, Netherlands, In: Poore, Richard Z. (editor), Sloan, L. Cirbus (editor), Climates and climate variability of the Pliocene, 27 (1-4), 313-326, georefid:1996-051946