Gircys, R., E. Kazanavicius, A. Vrubliauskas, and A. Liutkevicius. “Movement Artefact Resistant Photoplethysmographic Probe”. Elektronika ir Elektrotechnika 20, no. 3 (March 12, 2014): 73-76. Accessed April 27, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/6681.