TY  - BOOK
AU  - L. B. Halstead
TI  - Pattern of vertebrate evolution
U1  - 596.038 
PY  - 1968///
CY  - San Francisco
PB  - W H Freemanand Co
N1  - L. B. Halstead: Pattern of vertebrate evolution.  San Francisco.  W H Freemanand Co, 1968.--(596.038HAL)
ER  -