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@Book{Eilenberg:1974,
  Author        = "Eilenberg, Samuel",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:27 +0200",
  Keywords      = "finite automata",
  Publisher     = "Academic Press, Inc.",
  Title         = "Automata, Languages and Machines",
  Year          = "1974",
  File          = "Automata, Languages and Machines - Volume A - Eilenberg .pdf",
  file-2        = "Automata, Languages and Machines - Volume B - Eilenberg .pdf"
}

@Book{Eilenberg:1974, Author = "Eilenberg, Samuel", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:27 +0200", Keywords = "finite automata", Publisher = "Academic Press, Inc.", Title = "Automata, Languages and Machines", Year = "1974", File = "Automata, Languages and Machines - Volume A - Eilenberg .pdf", file-2 = "Automata, Languages and Machines - Volume B - Eilenberg .pdf" }