TY  - BOOK
AU  - Bharucha E
AU  -  Sen S N
AU  - Bharucha E
TI  - Textbook of environmental studies
SN  - 81 7371 540 8
U1  - G:55, P5;1 
PY  - 2005///
CY  - Hyderbad
PB  - Universities press      
KW  -  Ecosystems
KW  -  Environmental pollution
KW  - Natural resources
N1  - References 269p.; Appendix 270-271p.; 'Index 275-274p
ER  -