TY  - BOOK
AU  - Gazin,Charles Lewis
TI  - Mammalian faunal zones of the Bridger middle Eocene
PY  - 1976///
CY  - Washington
PB  - Smithsonian Institution Press
KW  - Mammals, Fossil
KW  - West (U.S.)
KW  - Paleontology
KW  - Eocene
N1  - Bibliography: p. 13-25
ER  -