TY  - BOOK
AU  - anjaneyulu, y.
AU  - anjaneyulu, y.
TI  - An Introduction to environmental science  
SN  - 81-7800-061-x
U1  - 577 ant-int 
PY  - 2005///
CY  - hyderabad
PB  -  bs publications
KW  - ecology, environmental science, resources
N2  - Available
ER  -