TY  - BOOK
AU  - Chopra, V.L  .
AU  - Nasim,Anwar  .
TI  - Genetic engineering and biotechnology / 
SN  - 81-204-0495-5
U1  - 660.6 
PY  - 1996///
CY  - New Delhi : 
PB  - Oxford & IBH Publishing company , 
ER  -