Семенец, В. В., and В. И. Леонидов. “Acoustic Sounding of Atmosphere in the Problem of Heat Exchange Processes Study in the Area of Megalopolis”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 8(54), Feb. 2012, pp. 45-49, doi:10.15587/1729-4061.2011.2328.