Martrat, Belen; Grimalt, Joan O.; Lopez-Martinez, Constancia; Cacho, Isabel; Sierro, Francisco J.; Flores, Jose-Abel; Zahn, Rainer; Canals, Miquel; Curtis, Jason H.; Hodell, David A. (2004): Abrupt temperature changes in the western Mediterranean over the past 250,000 years. American Association for the Advancement of Science, Washington, DC, United States, Science, 306 (5702), 1762-1765, georefid:2005-023731