@article{M2AN_2008__42_5_887_0,
     author = {Hager, William W. and Aslan, Beyza Caliskan},
     title = {The change in electric potential due to lightning},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {887--901},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {5},
     year = {2008},
     doi = {10.1051/m2an:2008026},
     mrnumber = {2454626},
     zbl = {1152.35027},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/m2an:2008026/}
}