TY  - BOOK
AU  - Kurten,Bjorn
TI  - The age of mammals
SN  - 0231036248
AV  - QE881 .K79 1972
U1  - 569 
PY  - 1972///
CY  - New York
PB  - Columbia University Press
KW  - Mammals, Fossil
KW  - Paleontology
KW  - Cenozoic
N1  - Bibliography: p. 231-236
ER  -