BibTeX
@ARTICLE{
         Berz1988Dad,
       AUTHOR = "Berz, Martin",
       TITLE = "{D}ifferential algebraic description and analysis of trajectories in vacuum electronic
         devices including spacecharge effects",
       JOURNAL = "IEEE Transactions on Electron Devices",
       VOLUME = "53",
       NUMBER = "11",
       YEAR = "1988",
       PAGES = "2002 +",
       REFERRED = "[Berz1991FAf]."
}