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@Book{            AAVVComplexity,
  Author        = "AAVV",
  Editor        = "Sorbi, Andrea",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Publisher     = "CRC Press",
  Title         = "Complexity, Logic, and Recursion Theory",
  Year          = "1997",
  File          = "Complexity, Logic, and Recursion Theory - AAVV (0) (0) - a - a.pdf",
  file-2        = "Complexity, Logic, and Recursion Theory - AAVV (0) (0) - a - a.djvu"
}

@Book{ AAVVComplexity, Author = "AAVV", Editor = "Sorbi, Andrea", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Publisher = "CRC Press", Title = "Complexity, Logic, and Recursion Theory", Year = "1997", File = "Complexity, Logic, and Recursion Theory - AAVV (0) (0) - a - a.pdf", file-2 = "Complexity, Logic, and Recursion Theory - AAVV (0) (0) - a - a.djvu" }