TY  - BOOK
AU  - Yadav, P. R 
AU  - Tyagi, Rajiv
TI  - Environmental biotechnology
SN  - 8183560717
U1  - 628.5 YAD 
PY  - 2006///
CY  - New Delhi : 
PB  - Discovery Publishing House ,	
N1  - Includes Index.
ER  -