TY  - BOOK
AU  - P.S Verma , V.K Agarwal 
TI  - Cell Biology, Genetics , Molecular Biology , evolution and Ecology
SN  - 9788121924429
U1  - 574.87VAR 
PY  - 1974///
CY  - New Delhi 
PB  - S Chand & Company 
ER  -