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@Book{            book:1420225,
  Author        = "Rautenberg, Wolfgang",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  ISBN          = "978-1-4419-1221-3,1441912215,978-1-4419-1220-6",
  Publisher     = "Springer",
  Series        = "Universitext",
  Title         = "A concise introduction to mathematical logic",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=7adf203e22f1f6b6c25facb1f7b34a8f",
  Year          = "2010",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=7adf203e22f1f6b6c25facb1f7b34a8f",
  File          = "A concise introduction to mathematical logic by Rautenberg, Wolfgang (z-lib.org) - a - a - a.epub",
  file-2        = "A Concise Introduction to Mathematical Logic by Wolfgang Rautenberg (z-lib.org) - a - a - a.pdf"
}

@Book{ book:1420225, Author = "Rautenberg, Wolfgang", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", ISBN = "978-1-4419-1221-3,1441912215,978-1-4419-1220-6", Publisher = "Springer", Series = "Universitext", Title = "A concise introduction to mathematical logic", URL = "http://gen.lib.rus.ec/book/index.php?md5=7adf203e22f1f6b6c25facb1f7b34a8f", Year = "2010", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=7adf203e22f1f6b6c25facb1f7b34a8f", File = "A concise introduction to mathematical logic by Rautenberg, Wolfgang (z-lib.org) - a - a - a.epub", file-2 = "A Concise Introduction to Mathematical Logic by Wolfgang Rautenberg (z-lib.org) - a - a - a.pdf" }