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@Book{            book:1116116,
  Author        = "Feynman, Richard P.",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  ISBN          = "0140175059,9780140175059",
  Publisher     = "Penguin Books, Limited (UK)",
  Series        = "Penguin Press Science",
  Title         = "The Character of Physical Law",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=87bba46cd9ebf43cd3844d8444c8306f",
  Year          = "2006",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=87bba46cd9ebf43cd3844d8444c8306f",
  File          = "(Penguin Press Science) Richard P. Feynman-The Character of Physical Law-Penguin Books, Limited (UK) (2006) (0) - a - a.epub"
}

@Book{ book:1116116, Author = "Feynman, Richard P.", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", ISBN = "0140175059,9780140175059", Publisher = "Penguin Books, Limited (UK)", Series = "Penguin Press Science", Title = "The Character of Physical Law", URL = "http://gen.lib.rus.ec/book/index.php?md5=87bba46cd9ebf43cd3844d8444c8306f", Year = "2006", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=87bba46cd9ebf43cd3844d8444c8306f", File = "(Penguin Press Science) Richard P. Feynman-The Character of Physical Law-Penguin Books, Limited (UK) (2006) (0) - a - a.epub" }