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@Book{            book:1499418,
  Author        = "Trefil, James and Hazen, Robert M.",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Edition       = "7",
  ISBN          = "1118185269,9781118185261",
  Publisher     = "Wiley",
  Title         = "The Sciences: An Integrated Approach",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=8a52be9bb318784ad3ad42b3c90342ab",
  Year          = "2012",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=8a52be9bb318784ad3ad42b3c90342ab"
}

@Book{ book:1499418, Author = "Trefil, James and Hazen, Robert M.", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Edition = "7", ISBN = "1118185269,9781118185261", Publisher = "Wiley", Title = "The Sciences: An Integrated Approach", URL = "http://gen.lib.rus.ec/book/index.php?md5=8a52be9bb318784ad3ad42b3c90342ab", Year = "2012", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=8a52be9bb318784ad3ad42b3c90342ab" }