@Article{         Shannon,
  Author        = "Shannon, Claude E.",
  date-added    = "2012-04-09 14:29:13 +0200",
  date-modified = "2017-07-03 12:09:45 +0000",
  Journal       = "The Bell System Technical Journal",
  Keywords      = "information theory and classic",
  Pages         = "379--423",
  Title         = "A Mathematical Theory of Communication",
  Volume        = "27",
  Year          = "1948",
  File          = "entropy (0) - a - a - k.pdf"
}

@Article{ Shannon, Author = "Shannon, Claude E.", date-added = "2012-04-09 14:29:13 +0200", date-modified = "2017-07-03 12:09:45 +0000", Journal = "The Bell System Technical Journal", Keywords = "information theory and classic", Pages = "379--423", Title = "A Mathematical Theory of Communication", Volume = "27", Year = "1948", File = "entropy (0) - a - a - k.pdf" }