Aduev, B.P., G.M. Belokurov, I.Yu. Liskov, D.R. Nurmukhametov, and Z.R. Ismagilov. 2022. “Ignition of Low-Metamorphized Coal With Continuous Lasers at Wavelengths 450 Nm and 808 Nm”. Eurasian Chemico-Technological Journal 24 (2), 93-101. https://doi.org/10.18321/ectj1321.