✓

@Book{            book:1610469,
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Edition       = "4th Editions",
  Publisher     = "Imagine Publishing",
  Title         = "Book of Vikings (All About History)",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=b9093c2a80ae704e5c3516986b877a65",
  Year          = "2016",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=b9093c2a80ae704e5c3516986b877a65",
  File          = "Book of Vikings (All About History) - a - a - a.pdf"
}

@Book{ book:1610469, date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Edition = "4th Editions", Publisher = "Imagine Publishing", Title = "Book of Vikings (All About History)", URL = "http://gen.lib.rus.ec/book/index.php?md5=b9093c2a80ae704e5c3516986b877a65", Year = "2016", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=b9093c2a80ae704e5c3516986b877a65", File = "Book of Vikings (All About History) - a - a - a.pdf" }