For citations:
Kovalsky B.I., Vereshchagin V.I., Shram V.G., Bezborodov Yu.N., Sokolnikov A.N. Monitoring of aging processes in motor oils by changing their optical properties. Industrial laboratory. Diagnostics of materials. 2019;85(11):41-44. (In Russ.) https://doi.org/10.26896/1028-6861-2019-85-11-41-44