TY  - BOOK
ED  - UN Environment Programme
TI  - Environmental data report: United Nations environment programen 
SN  - 0631156844
AV  - D174 .E575 1987
U1  - 363.73 
PY  - 1987///
CY  - Oxford
PB  - Basil Blackwell
KW  - Pollution Human ecology
KW  - Statistics Environmental monitoring
ER  -