TY  - BOOK
AU  - Stebbins G Ledyard
TI  - Processes of organic evolution
U1  - G:66, K6 
PY  - 1966///
CY  - New Delhi
PB  - Prentice Hall of India Private  
KW  -  Organic evolution
KW  - Chemistry
N1  - Index 183-191p
ER  -