Fraser, J. A., Alves-Pereira, A., Junqueira, A. B., Peroni, N., & Clement, C. R. (2012). Convergent Adaptations: Bitter Manioc Cultivation Systems in Fertile Anthropogenic Dark Earths and Floodplain Soils in Central Amazonia. Public Library of Science.

Fraser, James Angus, Alessandro Alves-Pereira, André Braga Junqueira, Nivaldo Peroni, and Charles Roland Clement. Convergent Adaptations: Bitter Manioc Cultivation Systems in Fertile Anthropogenic Dark Earths and Floodplain Soils in Central Amazonia. Public Library of Science, 2012.

Fraser, James Angus, et al. Convergent Adaptations: Bitter Manioc Cultivation Systems in Fertile Anthropogenic Dark Earths and Floodplain Soils in Central Amazonia. Public Library of Science, 2012.