Comparison of different heart rate reconstruction algorithms for rate adaptive cardiac pacingLass, Jaanus; Hinrikus, Hiie; Meigas, Kalju; Kaik, JüriMedical & biological engineering & computing1999 / Suppl. 2, Proceedings of the European Medical & Biomedical Engineering Conference : EMBEC'99 : November 4-7, 1999, Vienna, Austria. Part 2, p. 1282-1283

Processing EEG during anaesthesia and cardiac surgery with nonlinear order statistics based methodsLipping, Tarmo2001 https://www.ester.ee/record=b1476353*est