For citations:

Pelipasov O.V., Put’makov A.N. Analysis of motor oils using an «Ékspress» spectrometer and microwave plasma source. Industrial laboratory. Diagnostics of materials. 2019;85(1(II)):91-95. (In Russ.) https://doi.org/10.26896/1028-6861-2019-85-1-II-91-95