Mamykin, A., O. Kukla, L. Matvienko, G. Dorozinska, V. Maslov, and G. Dorozinsky. “Highly Informative Integrated Method for Determining the Type of Engine Oil”. Technology and Design in Electronic Equipment, no. 3–4, Sept. 2019, pp. 36-44, doi:10.15222/TKEA2019.3-4.36.