1. El achiote Bixa orellana L. cultivo promisorio para el trópico;J Arce;Earth,1999
2. Manejo campesino de recursos naturales. El achiote;PM Sandy-Cuen;BioDiversitas,2003
3. Origin and Domestication of Native Amazonian Crops. Diversity;CR Clement;Molecular Diversity Preservation International,2010
4. Pre-Columbian Plant Migration Papers of the Peabody Museum of Archaeology and Ethnology;R Schultes,1984
5. Carotenoid metabolism in plants;N Nisar;Molecular Plant,2015