Environmental data report :
Environmental data report : United Nations environment programen /
UN Environment Programme
- Oxford : Basil Blackwell, c1987.
- vii,352 p. : ill. ; 27 cm.
0631156844
Pollution Human ecology
Statistics Environmental monitoring
D174 / .E575 1987
363.73
0631156844
Pollution Human ecology
Statistics Environmental monitoring
D174 / .E575 1987
363.73