Panchenkov, D. N., S. D. Leonov, and A. V. Rodin. 2014. “Bioimpedance Analysis in Medicine”. Patologicheskaya Fiziologiya I Eksperimental’naya Terapiya (Pathological physiology and experimental Therapy) 58 (2): 80–86. https://pfiet.ru/article/view/1243.