TY  - BOOK
AU  - Simpson, George G
TI  - Meaning of Evolution
U1  - 576.8 
PY  - 1952///
CY  - New York
PB  - Mentor
KW  - General Stack
KW  - NATURAL SCIENCES& MATHEMATICS
KW  - LIFE SCIENCES BIOLOGYGENETICS &EVOLUTION
KW  - Generalia
ER  -