1. The Maya Forest in Campeche, Mexico: experiences in forest management at Calakmul;Acopa,1998
2. El Diagnostico Participativo: Un Manual Aplicado de Técnicas;Anderson,1995
3. La Cartografia y los Cehaches;Antochiw,1997
4. Culture and Global Change: Social Perceptions of Deforestation in the Lacandona Rain Forest in Mexico;Arizpe,1996
5. Biosphere reserves throughout the world: current situation and perspectives;Batisse,1984