TY  - BOOK
AU  - Gee Henry
TI  - Before the backbone: views on the origin of the vertebrates
SN  - 0-412-48300-9
U1  - 596.138 
PY  - 1996///
CY  - London
PB  - Chapman and Hall
KW  - Evolution
KW  - Mammals
KW  - Vertebrates
ER  -