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Progress on the K/T Boundary : the Relation between Chemical Elements Abnormity and Dinosaurs Extinction
TIAN Xiao-Xue, LUO Kun-Li, TAN Jian-An, LI Ri-Bang
中国科学院大学学报 . 2005, (6): 667 -675 .  DOI: 10.7523/j.issn.2095-6134.2005.6.002