TY  - BOOK
AU  - Patra,Monindra Nath
AU  - Singha, Rahul Kumar
ED  - 
TI  - Basic environmental engineering and elementary biology
U1  - 629.477 
PY  - 2013///
CY  - Kolkata
PB  - Aryan publishing house
KW  - 1. ENVIRONMENTAL ENGINEERING
KW  - 2. ENVIRONMENTAL SCIENCE
KW  - 3. MEDICAL SCIENCE
N1  - include index
ER  -