- - - 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
