TY  - BOOK
AU  - Keen,Martin L.
AU  - Hull,John
AU  - Wolf,Donald D.
TI  - The how and why wonder book of prehistoric mammals
U1  - 560 22
PY  - 1962///]
CY  - New York
PB  - Grosset & Dunlap
KW  - Paleontology
KW  - Juvenile literature
ER  -