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@Book{            book:854484,
  Author        = "Feynman, Richard P.",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  ISBN          = "0465023711,9780465023714",
  Publisher     = "Basic Books",
  Title         = "Perfectly Reasonable Deviations from the Beaten Track",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=4963020bede46e2914bee33439fd82a5",
  Year          = "2006",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=4963020bede46e2914bee33439fd82a5",
  File          = "Richard P. Feynman-Perfectly Reasonable Deviations from the Beaten Track-Basic Books (2006) (0) - a - a.epub"
}

@Book{ book:854484, Author = "Feynman, Richard P.", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", ISBN = "0465023711,9780465023714", Publisher = "Basic Books", Title = "Perfectly Reasonable Deviations from the Beaten Track", URL = "http://gen.lib.rus.ec/book/index.php?md5=4963020bede46e2914bee33439fd82a5", Year = "2006", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=4963020bede46e2914bee33439fd82a5", File = "Richard P. Feynman-Perfectly Reasonable Deviations from the Beaten Track-Basic Books (2006) (0) - a - a.epub" }