Antarctica and its resources
1980
Mitchell, Barbara |
Tinker, Jon |
Natural resources
La Isla de Margarita y sus problemas
1949
Budowski, Gerardo |
Indonesia : resources, ecology and environment
1991
Hardjono, Joan |
Arctic politics : conflict and cooperation in the circumpolar north
1992
Young, Oran R. |
The population of Venezuela and its natural resources
1946
Vogt, William |
Plan de manejo parque nacional Vicente Perez Rosales
1977
Gutiérrez A., Alejandro |
Thelen, Kyran D. |
Natural resource economics : notes and problems
1987
Conrad, Jon M. |
Clark, Colin W. |
Sharing the world's resources
1977
Schachter, Oscar |
La Conservación como instrumento para el desarrollo
1985
Budowski, Gerardo |