The World environment 1972-1992 :
The World environment 1972-1992 : two decades of challenge /
- 1st ed.
- London ; New York : Published by Chapman & Hall on behalf of the United Nations Environment Programme, 1992.
- xi, 884 p. : ill., maps ;
0412469901 0412470004 (pbk.)
Environmental policy.
Environmental protection.
HC79.E5
0412469901 0412470004 (pbk.)
Environmental policy.
Environmental protection.
HC79.E5