TY  - BOOK
AU  - Sekhar M.
AU  - Rao, E. S.
TI  - Environmental science
U1  - 363.7 
PY  - 2004///
CY  - Hyderabad
PB  - The HI-tech Publishers
KW  - Enviromental science
KW  - Pollution
KW  - Biodiversity
N1  - It includes bibliographical information
ER  -