TY  - BOOK
AU  - Trivedi,P.R.
TI  - Encyclopaedia of world environment
SN  - 8176480401 (set)
PY  - 1999///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Environmental sciences
KW  - Encyclopedias
KW  - Ecology
KW  - Earth sciences
N1  - vol.1; Ecology -; vol.2; Environment -; vol.3; Wild life -; vol.4; Pollution -; vol.5; Basic environment laws
ER  -