1. A new digital filter for the ECG;Hambley,1972
2. The removal of 60 Hz noise from short digitized records;Calvert,1968
3. Digital filtering with applications to electrocardiogram processing;Weaver;IEEE Trans. Audio Electroacoust.,1968
4. Polynomial models in shape triggering of electrocardiograms;Stipanuk,1977
5. P-wave detection by digital computer;Rey;Comput. biomed. Res.,1971