1. Rangayyan R M, Reddy N P. Biomedical signal analysis: a case-study approach. New York, NY: Wiley-Interscience 2002.
2. Huhta James C, Webster J G. 60-Hz Interference in Electrocardiography Biomedical Engineering, IEEE Transactions. 1973;BME-20:91–101.
3. Pei S C, Tseng C C. IIR multiple notch filter design based on allpass filter Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions. 1997;44:133–136.
4. Hendrikx T, Rosenqvist M, Wester P, Sandström H, Hörnsten R. Intermittent short ECG recording is more effective than 24-hour Holter ECG in detection of arrhythmias BMC cardiovascular disorders. 2014;14:41.
5. Vehkaoja A, Lekkala J. Wireless measurement band for EEG mismatch negativity registration in mobile activities in Proceedings of XVIII IMEKO world congress: metrology for a sustainable development(Rio de Janeiro, Brazil) 2006.