Мрачковський, О., and С. В. Вишневий. “Modeling of the Spectrum Analyzer of Signals in Program Application Labview”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 37, May 2008, pp. 94-97, doi:10.20535/RADAP.2008.37.94-97.