Mrozkowiak, Mirosław. “Environmental Dimorphism of the Frequency of Significant Correlations of the Torso Features With the Feet Features Among 7-13-Year-Old Youth”. Journal of Education, Health and Sport, vol. 12, no. 7, May 2022, pp. 148-61, doi:10.12775/JEHS.2022.12.07.015.