TY  - BOOK
AU  - SINGH (H R)
TI  - Environmental biology
SN  - 8121924766
U1  - 574.5 SINE 
PY  - 2014///
CY  - New Delhi
PB  - S. Chand & Co. Ltd.
KW  - Environmental
KW  - biology
N2  - Table of Content : 1. Introduction 2. Organisms And Environment 3. Population 4. Biotic Community 5. Ecosystem 6. Biosphere Degradation And Environmental Problems 7. Biodiversity 8. Environmental Toxicology 9. Environmental Biotechnology References|Index
ER  -