I.A. Kozlova, A.K. Yurkov (2017). VARIATIONS IN THE VOLUME ACTIVITY OF RADON IN SAMPLES OF GRANITE AND CLAY WITH A TEMPERATURE CHANGE OF TO 400 - C. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 483-488. https://doi.org/10.5593/sgem2017/14/s05.061