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Martrat, Belen; Grimalt, Joan O.; Shackleton, Nicholas J.; de Abreu, Lucia; Hutterli, Manuel A.; Stocker, Thomas F. (2007). Four climate cycles of recurring deep and surface water destabilizations on the Iberian margin. Science, 317(5837), pp. 502-507. Washington, D.C.: American Association for the Advancement of Science 10.1126/science.1139994
