TY  - BOOK
AU  - Nambiar, K.  Raghavan
TI  - Textbook of environmental studies 
SN  - 9788183711111
U1  - 628 
PY  - 2016///
CY  - Chennai
PB  - Scitech Publications (India) Pvt Ltd
KW  - Civil
KW  - Environmental engineering
ER  -