TY  - BOOK
AU  - G.  Ledyard Stebbins
TI  - Processes of orgaic evolution
U1  - 575 
PY  - 1966///
CY  - New Delhi
PB  - Prentice-Hall of India Private Limites
N1  - G.  Ledyard Stebbins: Processes of orgaic evolution.  New Delhi.  Prentice-Hall of India Private Limites, 1966.--(575STE)
ER  -