Ceratomorpha and ancylopoda (Perissodactyla) from the lower eocene, Paris Basin, France,
by Donald E. Savage, Donald E. Russell, and Pierre Louis.
- Berkeley : University of California Press, 1966.
- v, 38 p. illus. ; 26 cm.
- University of California publications in geological sciences, v. 66 .
- 569.72 .