Navickas, Z., V. Statkus, A. Vainoras, and L. Gargasas. “Evaluation of Dimension of Integral Correlation for ECG”.
Elektronika Ir Elektrotechnika
, vol. 61, no. 5, May 2005, pp. 58-61, https://eejournal.ktu.lt/index.php/elt/article/view/10449.