1. Watersheds and problemsheds: explaining the absence of armed conflict over water in the Middle East;Allan;Middle East Review of International Affairs,1998
2. Common Property Resource. Ecology and Community-Based Sustainable Development;Berkes,1989
3. Property Rights and Rural Resource Management: The Case of Tree Crops in West Africa;Berry,1987
4. Social institutions and access to resources;Berry;Africa,1989
5. Land Degradation and Society;Blaikie,1987