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@Book{            book:946454,
  Author        = "Clocksin, William F. and Mellish, Christopher S.",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Edition       = "5",
  ISBN          = "978-3-540-00678-7,978-3-642-55481-0",
  Publisher     = "Springer-Verlag Berlin Heidelberg",
  Title         = "Programming in Prolog: Using the ISO Standard",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=7BD3834FF1546BB276EEBCC3CCFF785B",
  Year          = "2003",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=7BD3834FF1546BB276EEBCC3CCFF785B",
  File          = "Prof. William F. Clocksin, Dr. Christopher S. Mellish auth. Programming in Prolog Using the ISO Standard (0) - a - a.pdf"
}

@Book{ book:946454, Author = "Clocksin, William F. and Mellish, Christopher S.", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Edition = "5", ISBN = "978-3-540-00678-7,978-3-642-55481-0", Publisher = "Springer-Verlag Berlin Heidelberg", Title = "Programming in Prolog: Using the ISO Standard", URL = "http://gen.lib.rus.ec/book/index.php?md5=7BD3834FF1546BB276EEBCC3CCFF785B", Year = "2003", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=7BD3834FF1546BB276EEBCC3CCFF785B", File = "Prof. William F. Clocksin, Dr. Christopher S. Mellish auth. Programming in Prolog Using the ISO Standard (0) - a - a.pdf" }