TY  - GEN
AU  - Trivedi, P.R
AU  - Raj, Gurdeep
TI  - Environmental ecology
T2  - Encyclopaedia of Environmental Sciences, No.6
SN  - 8171582435
U1  - 574.5 
PY  - 1992///
CY  - New Delhi
PB  - Akashdeep
KW  - LIFE SCIENCE
ER  -