Helmy, H. E., El-Nockrashy, A. S. and El-Noamany, H. M. (1994) “Studies on colour fixation of the oil of mature, immature and damaged cottonseed”, Grasas y Aceites, 45(3), pp. 147–154. doi: 10.3989/gya.1994.v45.i3.986.