M. Chernykh1, M.; E. Dryukova, A.; A. Ostanina, P.; V. Kargashina, E. Management of Aesthetic Properties of Engravings Obtained Using Laser. IJET 2018, 7 (4.25), 230-231. https://doi.org/10.14419/ijet.v7i4.25.26928.