TY  - BOOK
TI  - Environmental data report: United Nations environment programme
SN  - 0631180834
U1  - 363.7021 21st ed.
PY  - 1989///
CY  - Massachusetts
PB  - Blackwell Reference
KW  - Energy
KW  - Environment
KW  - Environmental monitoring
KW  - Natural resources
KW  - Pollution
KW  - United Nations environment programme
KW  - Wastes
ER  -