Metshein, M., Parve, T., Annus, P., Rist, M. and Min, M. 2017. Realization and Evaluation of the Device for Measuring the Impedance of Human Body for Detecting the Respiratory and Heart Rate. Elektronika ir Elektrotechnika. 23, 3 (Jun. 2017), 36-42. DOI:https://doi.org/10.5755/j01.eie.23.3.18330.