TY  - BOOK
AU  - Nath Patra, Monindra 
TI  - Basic environmental engineering & elementary biology 
SN  - 9788192165318
U1  - 628 NAT(BAS)  
PY  - 2012///
CY  - Kolkata 
PB  - Aryan Publishing house 
KW  - ENVIRONMENTAL ENGINEERING
N1  - Includes glossary & notes
ER  -