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@Book{            orange,
  Author        = "Burgess, Anthony",
  date-added    = "2023-04-18 07:03:27 +0200",
  date-modified = "2023-04-18 07:03:36 +0200",
  Title         = "A Clockwork Orange",
  File          = "Burgess, Anthony - A Clockwork Orange - a.pdf",
  file-2        = "Burgess, Anthony - A Clockwork Orange - a.epub",
  file-3        = "Burgess, Anthony - A Clockwork Orange - b.epub"
}

@Book{ orange, Author = "Burgess, Anthony", date-added = "2023-04-18 07:03:27 +0200", date-modified = "2023-04-18 07:03:36 +0200", Title = "A Clockwork Orange", File = "Burgess, Anthony - A Clockwork Orange - a.pdf", file-2 = "Burgess, Anthony - A Clockwork Orange - a.epub", file-3 = "Burgess, Anthony - A Clockwork Orange - b.epub" }