21 Jun 2007
Decrease in the electric intensity of VLF/LF radio signals and possible connections
P. F. Biagi, L. Castellana, T. Maggipinto, G. Maggipinto, A. Minafra, A. Ermini, V. Capozzi, G. Perna, M. Solovieva, A. Rozhnoi, O. A. Molchanov, and M. Hayakawa
Nat. Hazards Earth Syst. Sci., 7, 423–430, https://doi.org/10.5194/nhess-7-423-2007,https://doi.org/10.5194/nhess-7-423-2007, 2007