TY  - BOOK
AU  - Yadav,, P.R
AU  - Tyagi,, Rajiv
TI  - Environemntal Biotechnology / 
SN  - 8183560717
U1  - 628.5 
PY  - 2006///
CY  - New Delhi
PB  - Discovery
KW  - Environmental pollution
KW  - Sanitation technology
KW  - Sewage treatment
KW  - Biotechnology
ER  -