Иванов, В., В. Дронченко, Г. Троцан, and В. Лопата. “Preparation of Emulsions Based on Emulsions Based on Spent Greases”. Problems of Tribology, vol. 80, no. 2, July 2016, pp. 63-68, https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/536.