TY  - BOOK
AU  - Nambiar, K. Raghavan
TI  - Textbook of environmental studies
SN  - 9788183711111
U1  - 363.7 
PY  - 2009///
CY  - Chennai
PB  - Scitech Pub.
KW  - Envoironmental problems
KW  - Environmental protections
ER  -