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02h0020190 20140430145233.0 cr un||||||||| 100919s2001 xx ||||f|||d||||||||eng | AAI3044699 049358594X(ebk.) : CNY371.35 NGL NGL NGL a564 ; a184.4 Stidham, Thomas Allen. The origin and ecological diversification of modern birds [electronic resource] : evidence from the extinct wading ducks, Presbyornithidae (Neornithes : Anseriformes) / Thomas Allen Stidham. 2001. 257 p. : digital, PDF file. Source: Dissertation Abstracts International, Volume: 63-02, Section: B, page: 0710. ; Co-Chairs: William A. Clemens; Ned K. Johnson. Thesis (Ph.D.) -- University of California, Berkeley, 2001. Ecology. ; Presbyornithidae. ; Birds University of California, Berkeley. aCN bNGL http://pqdt.bjzhongke.com.cn/Detail.aspx?pid=oKj%2fBOjCJE4%3d NGL Bs545 rCNY371.35 ; h1 xhbs1001