Mrozkowiak, M. “Environmental Dimorphism of the Incidence of Significant Correlations Between Feet and Body Trunk Parameters Among 14-18-Year-Old Adolescents”. Journal of Education, Health and Sport, vol. 8, no. 6, June 2018, pp. 251-64, https://apcz.umk.pl/JEHS/article/view/5578.