TY  - GEN
AU  - Yadav , P.R.
AU  - Mishra , Shubhrata  R.
TI  - Environmental biology
SN  - 8171417566
U1  - 577 
PY  - 2004///
CY  - New Dehi
PB  - Discovery publishing
KW  - AGRICULTURE
KW  - BIOLOGY
KW  - ENVIRONMENT
KW  - EVOLUTION OF THE BIOSPHERE
KW  - GEOGRAPHICAL ECOLOGY
ER  -