Power-line interference elimination from ECG in case of non-multiplicity between the sampling rate and the power-line frequency. - Georgy Mihov; Ivan Dotsinsky (Biomed. Signal Process. Control., 2008)

Subtraction procedure for removing powerline interference from ECG: Dynamic threshold linearity criterion for interference suppression. - Georgy Mihov (BMEI, 2011)

Complex filters for the subtraction procedure for power-line interference removal from ECG. - Georgy Mihov (Int. J. Reason. based Intell. Syst., 2013)