TY  - BOOK
AU  - Young, J. Z. 
TI  - The life of vertebrates / 
U1  - 596 YOU 
PY  - 1962///
CY  - Oxford : 
PB  - Oxford University Press, 
KW  - Vertebrates
KW  - Climate and Geology
KW  - Amphioxus
N1  - Include index.
ER  -