Kondratiev, A., and O. Prontsevych. “Stabilization of Physical-Mechanical Characteristics of Honeycomb Filler Based on the Adjustment of Technological Techniques for Its Fabrication”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 1 (95), Oct. 2018, pp. 71-77, doi:10.15587/1729-4061.2018.143674.