“Comparative Analysis of Potential Characteristics of 2nd Degree, 3d Degree and 4th Degree Frequency Modulated Probing Signals”. 2013. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 53 (July): 98-103. https://doi.org/10.20535/RADAP.2013.53.98-103.