@article{article, title = {{Methods for determining the perturbations in VLF  in the Earth-ionosphere waveguide and TEC for ionospheric monitoring of catastrophic events in the Lithosphere-Atmosphere-Ionosphere-Magnetosphere (LAIM) system}}, url = {{http://dx.doi.org/10.5194/egusphere-egu21-6412 }}, year = {{2021}}, month = {{3}}, author = {{Rapoport Y and Reshetnyk V and Grytsai A and Liashchuk A and Ivchenko V and Fedorenko A and Hayakawa M and Grimalsky V and Petrishchevskii S and Fedun V}}, doi = {{10.5194/egusphere-egu21-6412}}, note = {{Accessed on 2024/09/20}}}