Овсяніков, В.В. “Quality Txpress-Control of Coal Radiometric Method”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 43 (November 27, 2010): 24-31. Accessed November 24, 2024. https://radap.kpi.ua/radiotechnique/article/view/189.