The World environment 1972-1992 :
The World environment 1972-1992 : two decades of challenge /
edited by Mostafa K. Tolba and Osama A. El-Kholy ; in association with E. El-Hinnawi...[et al.]
- London : Chapman & Hall, 1992.
- 884 p.
Published by Chapman & Hall on behalf of the United Nations Environment Programme.
0412470004
Conservation of natural resources.
Environment.
Environmental pollution.
QH 545.A1
Published by Chapman & Hall on behalf of the United Nations Environment Programme.
0412470004
Conservation of natural resources.
Environment.
Environmental pollution.
QH 545.A1