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@Book{            Esparzac,
  Author        = "Desel, Jorg and Esparza, Javier",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:27 +0200",
  Publisher     = "Cambridge University Press",
  Title         = "Free Choice Petri Nets",
  Year          = "1995",
  File          = "Free Choice Petri Nets - Esparza (0) (0) - a - a.pdf"
}

@Book{ Esparzac, Author = "Desel, Jorg and Esparza, Javier", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:27 +0200", Publisher = "Cambridge University Press", Title = "Free Choice Petri Nets", Year = "1995", File = "Free Choice Petri Nets - Esparza (0) (0) - a - a.pdf" }