C. S. Garcin-m and . Farjanel-g, Longue Séquence" de Marchésieux (Manche) : analyse de la première glaciation plio-quaternaire, p.43, 1992.

F. G. Jolly-m and M. M. Clet-pellerin, The Marchésieux (Normandy, France) long sequence: a palynological approach to the study of the Plio-Pleistocene climate -Marine Geology, 1993.

R. M. , R. W. Backman, and C. B. Martinson-d, Late Pliocene variation in Northern hemisphere ice sheets and north atlantic deep Water circulation, Paleoceanography, vol.4, pp.4-413, 1989.

M. J. Westberg-smith, Oxygen isotope calibration of the onset of ice rafting and history of glaciation in the North Atlantic region -Nature, pp.620-623, 1984.