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Indirect approach for measurement of main physico-chemical parameters of engine oils using optical methods

Tsvetelina Georgieva, Eleonora Nedelcheva, Stanislav Penchev, Albena Ivanova-Vasileva and Plamen Daskalov

E3S Web Conf., 638 (2025) 03004

Published online: 16 July 2025

DOI: 10.1051/e3sconf/202563803004

Tsvetelina Georgieva

Eleonora Nedelcheva

Stanislav Penchev

Albena Ivanova-Vasileva

Plamen Daskalov

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