TY  - BOOK
AU  - Stebbins,G.Ledyard (George Ledyard)
TI  - Processes of organic evolution
SN  - 0137233957
PY  - 1977///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Evolution
N1  - Includes indexes
ER  -