TY  - BOOK
AU  - Sohal Harvinder S Ed.
AU  -  Srivastava Ashok K Ed.
TI  - Environment and Biotechnology
U1  - U:(G:55), N4 
PY  - 1994///
CY  -  New Delhi 
PB  - Ashish Publishing House India      
KW  - Geography- Environment
ER  -