TY  - BOOK
AU  - Trehan,  Keshav.
TI  - Biotechnology,
SN  - 8122401295
U1  - 620.8 
PY  - 1990///
CY  - New Delhi, .
PB  - Wiley Eastern.
KW  - MICROBIAL BIOTECHNOLOGY
KW  - GENETICS ENGINEERING
ER  -