TY  - GEN
AU  - Verma, P. S.
TI  - Concept of evolution
SN  - 81-219-1680-1 :
U1  - 575.01 
PY  - 1998///
CY  - New Delhi
PB  - S. Chand
KW  - EVOLUTION
N1  - Includes index
ER  -