TY  - BOOK
AU  - Sivashanmugam, P.
TI  - Basics of environmental science and engineering
SN  - 9788189422288
U1  - 620 
PY  - 2007///
CY  - New Delhi
PB  - New India Publishing Agency
KW  - Environment.
KW  - Environmental engineering
KW  - Environmental conditions
ER  -