Wasting the rain : rivers, people and planning in Africa
1992
Adams, W. M. (William Mark) |
Environmental degradation
Environmental management in the Soviet Union
1991
Pryde, Philip R. |
Problems of land degradation in Commonwealth Africa : a study of the scope of Commonwealth action
1989
Milner, C. |
Douglas, M. G. |
Zagrozenie Parków Narodowych w Polsce
1985
Grodzinska, Krystyna |
Olaczek, Romuald |
The poisoning of paradise : environmental pollution in the Republic of Cuba
1992
Oro, José R. |
Colonizacion y destruccion de bosques en Panama
1984
Moreno, Stanley Heckadon |
McKay, Alberto |