TY  - BOOK
AU  - Stansfield, William D.
TI  - Science of Evolution
SN  - 0024157503
U1  - 575 
PY  - 1977///
CY  - New York
PB  - Macmillan Publishing Co., Inc.
KW  - Life sciences
KW  - Pure Sciences
KW  - Evolution
ER  -