de Carvalho, J. F. R. P., Robinson, I. P. and Alfenas, A. C. (2005) “Isozymic variability in a Brazilian collection of annatto (<i>Bixa orellana</i> L.)”, Pesquisa Agropecuaria Brasileira, 40(7), pp. 653–660. doi: 10.1590/S1678-3921.pab2005.v40.7008.