Kropyvnytska, V., T. Humeniuk, N. Sabat, and G. Sementsov. “Analysis of Amplitude-Phase Functions of the Drill String As a Component of Automation SystemAnalysis of Amplitude-Phase Functions of the Drill String As a Component of Automation System”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 2 (91), Jan. 2018, pp. 48-58, doi:10.15587/1729-4061.2018.120544.