Tmáková, L. ., Sekretár, S. ., Schmidt, Štefan ., Hlásniková, J. ., Vrbiková, L. . and Kreps, F. . (2011) “Natural surfactants and their use in food industry”, Potravinarstvo Slovak Journal of Food Sciences, 5(4), pp. 64–69. doi: 10.5219/170.