KUČERA, Marián - KOPČANOVÁ, Silvia - SEJKOROVÁ, Marie. Lubricant analysis as the most useful tool in the proactive maintenance philosophies of machinery and its components. In Management systems in production engineering. ISSN 2299-0461, 2020, vol. 28, issue 3, p. 196-201. WOS, SCOPUS. Dostupné na internete: <https://content.sciendo.com/view/journals/mspe/28/3/article-p196.xml>