Problems in Recording the Electrocardiogram.

[1]  David H. Gordon,et al.  Triboelectric Interference in the ECG , 1975, IEEE Transactions on Biomedical Engineering.

[2]  J G Webster,et al.  60-HZ interference in electrocardiography. , 1973, IEEE transactions on bio-medical engineering.

[3]  John G. Webster,et al.  Lecture and Lab in Medical Instrumentation. , 1973 .