TY  - GEN
AU  - Trivedi , P. R.
TI  - Encyclopaedia of World Environment 
SN  - 8176480401
U1  - 333.703 
PY  - 1999///
CY  - New Delhi
PB  - A.P.H.Publishing
KW  - Natural resources
KW  -  Ecology - Encyclopaedias
KW  -  Environment - Encyclopaedias
ER  -