Perfil ambiental de Colombia
1990
Pombo, Diana |
Gonzalez, Edith |
Environmental management
Ecologia y ecologismo : analysis objectivo de los problemas ecologicos que afligen al planeta y de como a traves del ecologismo pueden solucionarse
1985
Grau V., Juan |
Environment and natural resources strategy in Chile
1989
Arensberg, Walter |
Higgins, Mary Louise |
Amazônia : desenvolvimento, integraçao e ecologia
1983
Salati, Eneas |
Junk, Wolfgang J. |
Shubart, Herbertt O. R. |
de Oliveira, Adélia Engrácia |
The soil/root system in relation to Brazilian agriculture
1981
Russel, R. Scott |
Igue, Kozen |
Mehta, Y. R. |
A batalha do meio ambiente no governo montoro
1987
Zé Pedro |
The environmental impact of man-made lakes in the Amazonian region of Brazil
1978
Paivia, Melquíades Pinto |