Eissa, A. M., Mahmoud, A. A. and El-Sawy, A. A. (1994) “Preparation and surface active properties of oxypropylated diol monoesters of fatty acids with an amide oxime terminal group”, Grasas y Aceites, 45(5), pp. 306–308. doi: 10.3989/gya.1994.v45.i5.1017.