TY  - BOOK
AU  - P.R.Trivedi, 
TI  - Encyclopaedia of world environment: 5vols. / 
U1  - 333.703 
PY  - 1999///
CY  - New Delhi
PB  - APH
KW  - Environment-Encyclopaedia
KW  - Ecology-Encyclopaedias
KW  - Pollution-Encyclopaedias
ER  -