1. Sramek B, Valenta J, Klimes (1995) Biomechanics of the cardiovascular system. Czech University Press, Prague, 1995
2. Van De Water J, Miller5 T, Vogel R et al. (2003) Impedance cardiography: the next vital sign technology. Chest 123(6):469-479
3. Heart rate variability. Standards of measurements. Physiological interpretation and use.(1996) Circulation, 93: 1043-1055, 1996
4. Parandey O, Zubarev M, Dumler A (2005) Stroke volume variability and its correlation with impedance indexes. Proc. Ist Cong. of Physiologist of the UIS, Sochi, Russia, 2005, p.72
5. Kubicek W, Karnegies J, Patterson R, Witsoe D, Mattson R (1966) Development an evaluation of an impedance cardiac output system. Aerospace Med 37:1208-1212