TY  - GEN
AU  - Bhardwaj N
AU  - Gopal, Brij
TI  - Elements of ecology
SN  - 0 7069 0754  X
U1  - 574. 5 BRI 
CY  - Newdelhi, Vikas Publishing House Pvt Ltd
KW  - Ecology/population ecology/applied ecology/ecosystems
ER  -