TY  - GEN
AU  - Trivedi , P. R.
AU  - Raj , Gurdeep
TI  - Encyclopaedia of Environmental Sciences
SN  - 8171582796
U1  - 333.703 
PY  - 1992///
CY  - New Delhi
PB  - Akashdeep
KW  - Life Sciences
KW  - Biology
KW  - Ecology
KW  - Environmental
KW  - Encyclopaedia
ER  -