TY  - BOOK
AU  - Young,J.Z.
TI  - The Life of Vertebrates
SN  - 0-19-857173-9
AV  - ZOO QL605.Y68 
PY  - 1981///
CY  - New York
PB  - Oxford University Press
KW  - Vertebrates
KW  - Zoology
N1  - Includes Bibliography:P586-606 and index
ER  -