TY  - BOOK
AU  - Simpson George Gaylord
AU  - Simpson George Gaylord
TI  - Meaning of evolution
SN  - SL092857
U1  - G:66, J4 
PY  - 1954///
CY  - New York       
PB  - Mentor Book     
KW  -  Historical retrospect
KW  - Oriented evoluation
ER  -