TY  - GEN
AU  - Nambiar, K. Raghavan
TI  - Textbook of environmental studies
SN  - 978 81 8371 111 1
U1  - 375.0083 
PY  - 2008///, r2010
CY  - Kolkata
PB  - Scitech
KW  - ENVIRONMENTAL SCIENCES
KW  - ENVIRONMENTAL EDUCATION
ER  -