Sokol K, Rokhmistrov D. Feature of electric resistance dependence on temperature for hydroxyapatite. Fiz. Nyzk. Temp. [інтернет]. 27, Лютий 2023 [цит. за 20, Червень 2025];49(4):493–496. доступний у: http://80.92.230.95/index.php/fnt/article/view/9024