LEADER 00000nam 2200253 a 4500 001 0375318 003 UkHlHU 007 t 008 001108 1 1980 000 eng 040 UkHlHU 050 4 QL 1 S62(323) 100 0 Olson, Storrs L. 245 00 Presbyornis and the origin of the Anseriformes /|cby S.L. Olson and A. Feduccia. 260 Washington, D.C. :|bSmithsonian Institution Press,,|c1980. 300 24p. 440 0 Smithsonian contributions to zoology ;|vno. 323 650 0 Stratigraphic geology. 650 0 Quaternary Age|xGeology. 650 0 Stratigraphic geology. 650 0 Mesozoic Age|xTriassic Age|xGeology. 700 0 Feduccia, Alan. 710 2 Smithsonian Institution. 946 020 absent -- ISBN check required 946 650 has non-LCSH elements -- Check for Geac subject headings
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