1. Andel, T. van, and Postma, H. (1954). Recent sediments of the Gulf of Paria: Reports of the Orinoco Shelf Expedition. Verhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen Afd.Natuurkunde 20.
2. Århem, K. (1976). Fishing and hunting among the Makuna.El Dorado 2: 37?54.
3. Baksh, M. (1985). Faunal food as a ?limiting factor? on Amazonian cultural behavior: A Machiguenga example.Research in Economic Anthropology 7: 145?175.
4. Beckerman, S. (1983). Optimal foraging group size for a human population: The case of Bari fishing.American Zoologist 23: 283?290.
5. Beckerman, S. (1987). Swidden in Amazonia and the Amazon rim. In Turner, B. L., II, and Brush, S. B. (eds.),Comparative Farming Systems. The Guilford Press, New York, pp. 55?94.