TY  - BOOK
AU  - Yadav, Manju
TI  - Ecology
SN  - 8171417167
U1  - 574.5 
PY  - 2003///
CY  - New Delhi
PB  - Discovery Publishing House
KW  - Soil
KW  - Biomes
KW  - Pollution
KW  - Ecosystem
KW  - Biogeochemical
ER  -