Omori Y., Yasuoka Y., Nagahama H., Kawada Y., Ishikawa T., Tokonami S., Shinogi M., Anomalous radon emanation linked to preseismic electromagnetic phenomena. Natural Hazards and Earth System Sciences 7, 629-635 (2007).
Omori Y., Yasuoka Y., Nagahama H., Kawada Y., Ishikawa T., Tokonami S., Shinogi M., Anomalous radon emanation linked to preseismic electromagnetic phenomena. Natural Hazards and Earth System Sciences 7, 629-635 (2007).