//-->
The anthropological analysis of tourism : indirect tourism and political economy in the case of the Mamainde of Mato Grosso, Brazil
Aspelin, Paul L., (1977)
Physical anthropology, linguistics and cultural geography of South American Indians
Steward, Julian Haynes, (1950)
Die Indianer : Entwicklung und Vernichtung eines Volkes
Farb, Peter, (1971)