• An adaptive filtering system for separation of cardiac and respiratory components of bioimpedance signalKrivošei, Andrei; Min, Mart; Parve, Toomas; Ronk, Ants2006 IEEE International Workshop on Medical Measurement and Applications : Beneveto, Italy, April 20-21, 20062006 / p. 10-15 https://ieeexplore.ieee.org/document/1644448