People vs. Malthus: Population Pressure, Environmental Degradation, and Armed Conflict Revisited. Journal of Peace Research, Vol. 42, No. 2.
From the Ground Up: Land Rights, Conflict and Peace in Sub-Saharan Africa. African Centre for Technology Studies and Institue for Security Studies.
Negotiation and mediation techniques for natural resource management. Rome: Food and Agriculture Organization of the United Nations (FAO).
Commons at the Core of Conflict: Looking for Peace in Rural Afghanistan. Paper presented at the Tenth Conference of the International Association for the Study of Common Property, Oaxaca, Mexico, August 9-13.