Ioannides, K. G., Alexandropoulou, S., Papachristodoulou, C. A., Bletsas, S., & Stamoulis, K. C. (2019). Temporal variation of soil radon emanation related to seismic activity. HNPS Advances in Nuclear Physics, 25, 73–76. https://doi.org/10.12681/hnps.1992