TY  - BOOK
AU  - Patra, Monindra Nath
AU  - Singha, Rahul Kumar
TI  - Basic environmental engineering and elementary biology
U1  - 363.7 
PY  - 2013///
CY  - Kolkata
PB  - Aryan
KW  - Environmental Science
KW  - Environmental Engineering
KW  - Biology
ER  -