✓

@Book{            Bollobas,
  Author        = "Bollobas, Bela",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Publisher     = "Springer",
  Title         = "Modern Graph Theory",
  Year          = "2001",
  File          = "Modern Graph Theory - Bollobas (0) (0) - a - a.pdf"
}

@Book{ Bollobas, Author = "Bollobas, Bela", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Publisher = "Springer", Title = "Modern Graph Theory", Year = "2001", File = "Modern Graph Theory - Bollobas (0) (0) - a - a.pdf" }