Sazonova, O., O. Vovk, D. Hordiichuk, V. Ikramov, and Y. Onashko. “Establishing the Range of Variability of the Skull Structures in Adulthood”. Journal of Education, Health and Sport, vol. 7, no. 12, Dec. 2017, pp. 656-64, https://apcz.umk.pl/JEHS/article/view/6280.