For citations:
Ageevа E.V., Loktionova O.G., Ulitin D.A. X-ray Fluorescence Analysis of the Elemental Composition of Tungsten, Nickel and Copper. Proceedings of the Southwest State University. Series: Engineering and Technology. 2023;13(4):20-31. (In Russ.) https://doi.org/10.21869/2223-1528-2023-13-4-20-31