Nesterenko, Mykola, et al. “Theoretical Studies of Stresses in a Layer of a Light-Concrete Mixture, Which Is Compacted on the Shock-Vibration Machine”. International Journal of Engineering & Technology, vol. 7, no. 3.2, June 2018, pp. 419-24, https://doi.org/10.14419/ijet.v7i3.2.14564.