@article{CRPHYS_2014__15_5_393_0,
     author = {Jean-Pierre B\'erenger},
     title = {An implicit {FDTD} scheme for the propagation of {VLF{\textendash}LF} radio waves in the {Earth{\textendash}ionosphere} waveguide},
     journal = {Comptes Rendus. Physique},
     pages = {393--402},
     publisher = {Elsevier},
     volume = {15},
     number = {5},
     year = {2014},
     doi = {10.1016/j.crhy.2014.05.002},
     language = {en},
}