Бурау, Н.І., Ігнатович, С.Р. and Паздрій, О.Я. 2018. Using fractal analysis of the time-frequency spectra of vibroacoustical signals for diagnostic of gas-turbine engines. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 74 (Sep. 2018), 73-83. DOI:https://doi.org/10.20535/RADAP.2018.74.73-83.