Radochońska, A., and L. Perenc. “Changeableness of selected morphological characteristics of head in the Rzeszow children and adolescents aged 3 to 18 in 25 year period”. European Journal of Clinical and Experimental Medicine, vol. 6, no. 2, June 2008, pp. 142–155, https://journals.ur.edu.pl/ejcem/article/view/13254.