Ohorodnikov, V. A., and A. S. Vasylchuk. “Eleboration of Passport Characterizing Physical-Mechanical Properties of Materials, Applied in Stomatology”. Visnyk of Vinnytsia Politechnical Institute, no. 5, Nov. 2010, pp. 90-94, https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/655.