TY  - BOOK
AU  - Ehrlich, Paul R
TI  - Process of Evolution
U1  - 576.8 
CY  - 1963
PB  - Mcgraw-Hill Book Company
KW  - General Stack
KW  - NATURAL SCIENCES & MATHAMATICS
KW  - LIFE SCIENCES, BIOLOGYGENETICS & EVOLUTION
KW  - Zoology
ER  -