1. Aguilar, J.-P., Legendre, S., Michaux, J., Montuire, S., 1998. Pliocene mammals and climatic reconstruction in the Western Mediterranean area. In: Wrenn, J.H., Suc, J.-P., Leroy, S. (S.A.G. Eds.), The Pliocene: Time of Change. Am. Assoc. Stratigr. Palynologists Foundation, pp. 109–120.
2. Atkinson, T.C., Briffa, K.R., Coope, G.R., Joachim, M.J., Perry, D.W., 1986. Climatic calibration of coleopteran data. In: Berglund B.E. (Ed.), Handbook of Holocene Palaeoecology and Palaeohydrology. Wiley, New York, pp. 851–859.
3. Axelrod, D.I., 1973. History of the Mediterranean ecosystems in California. In: di Castri, F., Mooney H.A. (Eds.), Mediterranean Type Ecosystems — Origin and Structure. Springer-Verlag, Berlin, pp. 225–277.
4. Palynological investigations on Upper Neogene and Lower Pleistocene sections in Central and Northern Italy;Bertini;Mem. Soc. Geol. Ital.,1994
5. Les écosystèmes végétaux pliocènes de Catalogne méridionale. Variations latitudinales dans le domaine nord-ouest méditerranéen;Bessais;Geobios,1988