TY  - BOOK
AU  - Trivedi, P.R.
AU  - Raj, Gurdeep
TI  - Encyclopaedia of Environmental Sciences: Vol 6 Environmental Ecology
SN  - 8171582796
U1  - 304.203 
PY  - 1992///
CY  - Delhi
PB  - Akashdeep Publishing House
KW  - Human Ecology
ER  -