Pracki, Tadeusz, Monika Wiłkość, and Daria Pracka. “Presentation of Polysomnogram by Color Voltage Array”. Medical and Biological Sciences 27, no. 1 (March 25, 2014): 53–57. Accessed December 16, 2025. https://apcz.umk.pl/MBS/article/view/mbs-2013-0008.