@Misc{            Makowsky:2007,
  Author        = "Makowsky, Johann A.",
  date-added    = "2019-09-29 13:41:47 +0200",
  date-modified = "2019-09-29 13:42:16 +0200",
  Title         = "The spectrum problem and Parikh's theorem",
  Year          = "2007",
  File          = "Makowsky - spectrum - india07 (0) - a - a - d.pdf"
}

@Misc{ Makowsky:2007, Author = "Makowsky, Johann A.", date-added = "2019-09-29 13:41:47 +0200", date-modified = "2019-09-29 13:42:16 +0200", Title = "The spectrum problem and Parikh's theorem", Year = "2007", File = "Makowsky - spectrum - india07 (0) - a - a - d.pdf" }