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@Book{            book:453746,
  Author        = "Okasaki, Chris",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  ISBN          = "0521663504,0521631246",
  Publisher     = "Cambridge University Press",
  Title         = "Purely Functional Data Structures",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=EFF59C468FCEA9BFCE3BE2B36B4E581A",
  Year          = "1998",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=EFF59C468FCEA9BFCE3BE2B36B4E581A",
  File          = "Chris Okasaki Purely Functional Data Structures (0) - a - a.pdf",
  file-2        = "okasaki (0) - a - a.pdf"
}

@Book{ book:453746, Author = "Okasaki, Chris", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", ISBN = "0521663504,0521631246", Publisher = "Cambridge University Press", Title = "Purely Functional Data Structures", URL = "http://gen.lib.rus.ec/book/index.php?md5=EFF59C468FCEA9BFCE3BE2B36B4E581A", Year = "1998", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=EFF59C468FCEA9BFCE3BE2B36B4E581A", File = "Chris Okasaki Purely Functional Data Structures (0) - a - a.pdf", file-2 = "okasaki (0) - a - a.pdf" }