Klimczyk, Agata. “Wariograf - Jedna Z Metod Praktyki śledczo-sądowej = Polygraph - One of the Method Crime Detection and Judicial Practice”. Journal of Education, Health and Sport, vol. 5, no. 9, Sept. 2015, pp. 375-9, https://apcz.umk.pl/JEHS/article/view/2963.