Karachun, Volodimir, Viktorij Mel’nick, and Sergii Fesenko. 2017. “Reduction of Technological Risks of Flight Operation by Artificial Formation of the Buffer Zone to Penetrating Acoustic Radiation”. Technology Audit and Production Reserves 4 (1(36):19-24. https://doi.org/10.15587/2312-8372.2017.108546.