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@Book{            LangfordFoxSmith,
  Author        = "Langford, Michael and Fox, Anna and Smith, Richard Sawdon",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:27 +0200",
  Edition       = "9th",
  Keywords      = "photography and readme",
  Publisher     = "Focal Press",
  Title         = "Langford's Basic Photography",
  Year          = "2010",
  File          = "Langford's Basic Photography - Langford, Fox, Smith (0) (0) - a - a.pdf"
}

@Book{ LangfordFoxSmith, Author = "Langford, Michael and Fox, Anna and Smith, Richard Sawdon", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:27 +0200", Edition = "9th", Keywords = "photography and readme", Publisher = "Focal Press", Title = "Langford's Basic Photography", Year = "2010", File = "Langford's Basic Photography - Langford, Fox, Smith (0) (0) - a - a.pdf" }