Ruiz Méndez, M.V., Huesa Lope, J., Pereda, J. and Dobarganes, M.C. 1991. Assays for physical refining of shea butter. Grasas y Aceites. 42, 2 (Apr. 1991), 121–126. DOI:https://doi.org/10.3989/gya.1991.v42.i2.1259.