Mamykin AV, Kukla AL, Maistrenko AS, Matzas EP, Matvienko LM. A method for express estimation of the octane number of gasoline using a portable spectroimpedance meter and statistical analysis methods. TKEA [Internet]. 2017Oct.28 [cited 2025Sep.16];(4–5):52-0. Available from: http://www.tkea.com.ua/index.php/journal/article/view/TKEA2017.4-5.52