Into the Amazon : the struggle for the rain forest
1990
Dwyer, Augusta |
Land tenure
Common property economics : a general theory and land use application
1991
Stevenson, Glenn G. |
Rethinking the federal lands
1984
Brubaker, Sterling |
Planificacion estrategia del subsistema de parques nacionales y reservas equivalentes de Costa Rica, y una metodologia para redefinicion de limites de areas protegidas
1984
Godoy Herrera, Juan Carlos |
Statement on the national parks of Canada to the standing committee on northern affairs and national resources from the department of indian affairs and northern development
1967
MacDonald, J. A. |
Parque nacional de la Montaña de Covadonga
1967
Muñoz Goyanes, Guillermo |