Kayapo

Stevens, William K. (1990) 1990. “Research in ’virgin’ Amazon Uncovers Complex Farming”. The New York Times. http://www.nytimes.com/1990/04/03/science/research-in-virgin-amazon-uncovers-complex-farming.html?pagewanted=all&src=pm.

Anonymous. (1994) 1994. “Secret Gardens of the Kayapó”. Geneflow, 3.

Cox, Larry. (1991) 1991. “Victory for Chief Raoni and Menkrãgnoti People: Brazilian Government Demarcates Area Campaigned for by Sting.”

Hecht, Susanna B., and John O. Browder. (1989) 1989. “Indigenous Soil Management in the Amazon Basin: Some Implications for Development”. In Fragile Lands of Latin America: Strategies for Sustainable Development, 166-81. Boulder, CO: Westview Press. http://www.worldcat.org/oclc/18351601.