TY  - BOOK
AU  - Kavitha, Helen P
AU  - Anandan, P ; Kumaravelan, R
TI  - Principles Of Environmental Sciences
SN  - 8188429821
U1  - 658.408 
PY  - 2005///
CY  - New Delhi
PB  - Scitech Publications
KW  - Civil Engineering
KW  - Environmental Sciences
ER  -