1. Akbar-Khanzadeh, F., Bisesi, M. S., Rivas, R. D. (1995). Comfort of personal protective equipment. Applied Ergonomics, 26(3), 195–198. doi: 10.1016/0003-6870(95)00017-7.
2. Hole, L. G. (1973). Sweat disposal from footwear and health and hygiene of foot skin. Journal of the Society of Cosmetic Chemists, 24, 43–63.
3. Regulation (EU) 2016/425 of the European Paliament and of the council of 9 March 2016 on personal protective equipment and repealing Council Directive 89/686/EEC. 2016.
4. Europejska strategia rozwoju do 2020 r. pt.: Long Term Personal Protective Equipment Perspective of the European Union’. Jun. 07, 2020, [Online]. Web site: https://ec.europa.eu/growth/sectors/mechanical-engineering/personal-protective-equipment_en.
5. Guidance for the selection, use and maintenance of safety and occupational footwear and other personal protective equipment offering foot and leg protection. Technical Committee.