TY  - BOOK
AU  - Sivashanmugam,P.
TI  - Basics of enviromental science and engineering
SN  - 81 89422286
U1  - 333.707 
PY  - 2007///
CY  - New Delhi
PB  - New India publishing agency
KW  - Enviromental science
KW  - Enviromental  engineering
ER  -