@Article{         Konig:1936,
  Author        = "K{\H o}nig, D{\'e}nes",
  date-added    = "2014-04-14 12:07:36 +0000",
  date-modified = "2014-04-14 12:08:30 +0000",
  Journal       = "Akademische Verlagsgesellschaft",
  Title         = "Theorie der endlichen und unendlichen Graphen",
  Year          = "1936"
}

@Article{ Konig:1936, Author = "K{\H o}nig, D{\'e}nes", date-added = "2014-04-14 12:07:36 +0000", date-modified = "2014-04-14 12:08:30 +0000", Journal = "Akademische Verlagsgesellschaft", Title = "Theorie der endlichen und unendlichen Graphen", Year = "1936" }