1. Multisensor Fusion, Springer Science & Business Media,2012
2. Implementation of a real-time human movement classifier using a triaxial accelerometer for ambulatory monitoring;Karantonis;IEEE Trans. Inf. Technol. Biomed.,2006
3. Monitoring of electrocardiograms in bed without utilizing body surface electrodes;Ishijima;IEEE Trans. Biomed. Eng.,1993
4. Analysis of heart rate variability by applying nonlinear methods with different approaches for graphical representation of results;Gospodinova;Analysis,2015
5. Specialized software system for heart rate variability analysis: an implementation of nonlinear graphical methods;Gospodinova,2016