Билека, Б., and Р. Сергиенко. “The Heatutilizing Power and the Power Refrigerating Machinery for Compressor Stations of the Main Gas Pipelines”. Eastern-European Journal of Enterprise Technologies, vol. 3, no. 2(45), Apr. 2010, pp. 32-35, doi:10.15587/1729-4061.2010.2755.