Drška, Zdeněk - Valová, D. - Málková, A. - Polánková, Milena
Distribution of correlation coeffiecient between ECGs on body surface during ORS interval.
London: World Scientific, 1993. ISBN 981-02-1387-5. Electrocardiology 1992. s. 41-44
http://hdl.handle.net/11104/0055118