TY  - GEN
AU  - Dubey,S.K.
TI  - A Textbook of Ecology
SN  - 09789380199023
U1  - 577 DUB 
PY  - 2010///
CY  - New Delhi : 
PB  - Wisdom Press
KW  - Population
KW  - Water--Pollution
ER  -