Estimnation and Removal of Power Line Interference in the Electrocardiogram: A Comparison of Digital Approaches. Cramer, E., McManus, D., & Neubert, D. j-CBR, 2:12--28, 1987. bibtex @Article{RSM:Cra87b,
author = "E. Cramer and D. McManus and D. Neubert",
title = "Estimnation and Removal of Power Line Interference in
the Electrocardiogram: {A} Comparison of Digital
Approaches",
journal = j-CBR,
year = "1987",
volume = "2",
pages = "12--28",
robnote = "Haven't read it yet but for filters, signal
processing, etc. it may be interesting. A product of
the PTB Berlin., ECG061",
}