Bastys, A., J. Blužas, S. Kaminskienė, R. Navickas, and G. Urbonavičienė. “New Approach of Vector ECG Analysis for Revealing Coronary Artery”. Elektronika Ir Elektrotechnika, vol. 51, no. 2, Feb. 2004, https://eejournal.ktu.lt/index.php/elt/article/view/10968.