“Defining of the Humidity Porous Medium With Using of the Radiometric Methods (inverse Tasks)”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 35 (October 2, 2007): 49–53. Accessed January 30, 2026. https://radap.kpi.ua/radiotechnique/article/view/310.