Korsakas, S., A. Vainoras, L. Gargasas, V. Miškinis, R. Ruseckas, V. Jurkonis, A. Vitartaitė, and J. Poderys. “On-Line and Off-Line ECG and Motion Activity Monitoring System for Athletes”. Baltic Journal of Sport and Health Sciences, vol. 3, no. 66, Nov. 2018, doi:10.33607/bjshs.v3i66.547.