Raffi, I.; Rio, D. (1981): Coccolithus pelagicus (Wallich); a paleotemperature indicator in the late Pliocene Mediterranean deep sea record. Pitagora, Bologna, Italy, In: Wezel, F. C. (editor), Sedimentary basins of Mediterranean margins; Proceedings/C.N.R. International conference held at Urbino University, 187-190, georefid:1987-039188