Cenozoic mammals of land and sea : tributes to the career of Clayton E. Ray /
Cenozoic mammals of land and sea : tributes to the career of Clayton E. Ray /
Robert J. Emry, editor.
- Washington, D.C. : Smithsonian Institution Press, 2002.
- v, 372 p. : ill. ; 28 cm.
- Smithsonian contributions to paleobiology ; no. 93 .