1. Grimnes, S., Martinsen, O.G.: Bioimpedance and bioelectricity basics (2014). http://www.amazon.com/Bioimpedance-Bioelectricity-Basics-Third-Edition/dp/0124114709/ref=dp_ob_image_bk . Accessed 26 Nov 2014
2. Kenny, T., Tidy, C.: Electrocardiogram (ECG) | Health | Patient.co.uk (2012). http://www.patient.co.uk/health/electrocardiogram-ecg . Accessed 28 Nov 2014
3. Kohl, P., Sachs, F., Franz, M.R.: Cardiac Mechano-Electric Coupling and Arrhythmias. Oxford University Press, Oxford. http://books.google.com/books?id=AgoBCHptrFYC&pgis=1 . Accessed 26 Nov 2014
4. Krivošei, A.: Model based method for adaptive decomposition of the thoracic bio-impedance variations into cardiac and respiratory components. Ph.D. thesis. Tallinn University of Technology (2009)
5. Mughal, Y.M., et al.: Development of a bio-impedance signal simulator on the basis of the regression based model of the cardiac and respiratory impedance signals. In: Mindedal, H., Persson, M. (eds.) 16th Nordic-Baltic Conference on Biomedical Engineering. IFMBE Proceedings. Springer International Publishing, Gothenburg, pp. 92–95 (2015a). http://link.springer.com/10.1007/978-3-319-12967-9 . Accessed 12 Nov 2014