TY  - BOOK
AU  - Stebbins,Ledyard G.
TI  - Processes of organic evolution / 
U1  - 575 STE  
PY  - 1966///
CY  - Englewood Cliffs
PB  - Prentice-Hall.Inc
KW  - Organic evolution
KW  - Origin of species
KW  - Evolution (Biology)
ER  -