Mechkarova, T. M., Ucherdzhiev, A., Valchev, N., & Mincheva, D. (2024). Investigationof tribological characteristics of 40Xgradesteel after hardfacedMMA welding method. ГОДИШНИК НА ТЕХНИЧЕСКИ УНИВЕРСИТЕТ - ВАРНА, 8(2), 1–9. https://doi.org/10.29114/ajtuv.vol8.iss2.312