作者单位: | [1]Department of Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, New Jersey 08554, USA8 [2]Department of Geology, University of Assiut, Assiut, Egypt [3]Géologie Fondamentale et Appliquée, Mons Polytechnics,Rue de Houdain, 9 B-7000 Mons, Belgium [4]The Micropaleontology Project, 256 Fifth Avenue, New York, NY 10001, USA [5]the Members of the Working Group on the Paleocene/Eocene Boundary, 256 Fifth Avenue, New York, NY 10001, USA |