TY  - BOOK
AU  - Keen,Martin L.
AU  - Hull,John
TI  - The how and why wonder book of prehistoric mammals
U1  - 569 20
PY  - 1962///
CY  - New York
PB  - Grosset & Dunlap
KW  - Mammals, Fossil
KW  - Juvenile literature
KW  - sears
N1  - For young readers
N2  - Studies the fossilized remains of extinct mammals
ER  -