TY  - BOOK
AU  - Joshi,P.C., Joshi,Namita
AU  - x
TI  - A text book of ecology and environment: x
SN  - 8183183212
U1  - 577/J83t 
PY  - 2005///
CY  - Delhi
PB  - Himalaya pub.
KW  - Ecology
KW  - Environment
N1  - x
ER  -