Nivel inferior:
The Tradition of Groundwater Irrigation in Northwestern India. ROSIN, R. Thomas
Deforestation and Land Use in the Brazilian Amazon. MORAN, Emilio F.
Some Considerations for the Understanding of Small Herd Dynamics in East African Arid Zones: the Long-Term Consequences DOMBROWSKI, Kirk
The Intensification of Traditional Agriculture among Yucatec Maya Farmers: Facing up to the Dilemma of Livelihood Sustai HUMPHRIES, Sally
