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@Book{            book:2301611,
  Author        = "Emms, John",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  ISBN          = "1857444191",
  Publisher     = "Everyman Chess",
  Title         = "Discovering Chess Openings: building opening skills from basic principles",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=239e267aaea000e4cf5a40aeb24c68ef",
  Year          = "2006",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=239e267aaea000e4cf5a40aeb24c68ef",
  File          = "[John\_Emms]\_Discovering\_Chess\_Openings\_\_building\_o(z-lib.org) (0) - a - a.pdf"
}

@Book{ book:2301611, Author = "Emms, John", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", ISBN = "1857444191", Publisher = "Everyman Chess", Title = "Discovering Chess Openings: building opening skills from basic principles", URL = "http://gen.lib.rus.ec/book/index.php?md5=239e267aaea000e4cf5a40aeb24c68ef", Year = "2006", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=239e267aaea000e4cf5a40aeb24c68ef", File = "[John_Emms]_Discovering_Chess_Openings__building_o(z-lib.org) (0) - a - a.pdf" }