TY  - BOOK
AU  - Bailey,Joseph H.
ED  - National Geographic Society (U.S.)
TI  - Giants from the past: the age of mammals 
SN  - 0870444247 :
U1  - 569 19
PY  - 1983///
CY  - [Washington, D.C.]
PB  - National Geographic Society
KW  - Mammals, Fossil
KW  - Juvenile literature
KW  - Extinct animals
KW  - Fossils
N1  - Includes index; Bibliography: p. 103
N2  - Traces the development of the first mammals, many of which grew to giant proportions in order to survive the cold temperatures and violent changes of the Ice Age
ER  -