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Cooperative forest management and fire protection, and urban environmental forestry program : Hearings, Ninety-second Congress, first session ... May 17, 18, and 19, 1971
(1971)
Plan de cooperacion con Iberoamerica en el sector forestal y de conservacion de la naturaleza
Barrientos Fernandez, Fernando, (1983)
Die Aufforstung in den "Hurdes" (Alta Extremadura, Spanien) und ihre sozio-ökonomischen Auswirkungen
Breuer, Toni, (1979)
Modelling access to a basic need : the provision of primary health care in rural Lesotho
Wellings, Paul A., (1983)