Velychko, O., Shevkun, S., Mescheriak, O., Gordiyenko, T., & Kursin, S. (2019). Interlaboratory comparisons of the calibration results of signal generator. Eastern-European Journal of Enterprise Technologies, 3(9 (99), 14–20. https://doi.org/10.15587/1729-4061.2019.166504