1. Abraham NB, Albano AM, Passamante A, Rapp PE (1989) Measures of complexity and chaos. NATO ASI Series, vol 208. Plenum Press, New York
2. Allessie MA, Lammers WJEP, Bonke FIM, Hollen J (1985) Experimental evaluation of Moe's multiple wavelet hypothesis of atrial fibrillation. In: Zipes DP, Jalife J (eds) Cardiac electrophysiology and arrhythmias. Grune and Stratton, New York, pp 265–275
3. Babloyantz A, Destexhe A (1987) The Creutzfeld-Jakob disease in the hierarchy of chaotic attractors. In: Markus M, Müller S, Nicolis G (eds) From chemical to biological organisation. Springer, Berlin Heidelberg New York, pp 307–316
4. Babloyantz A, Destexhe A (1988) Is the normal heart a periodic oscillator? Biol Cybern 58:203–211
5. Broomhead DS, King GP (1986) Extracting qualitative dynamics from experimental data. Physica 20D:217–236