@Unpublished{     Panangaden,
  Author        = "Panangaden, Prakash",
  date-added    = "2012-07-02 23:06:33 +0200",
  date-modified = "2012-07-02 23:07:07 +0200",
  Keywords      = "category theory",
  Month         = "May",
  Title         = "Brief notes on category theory",
  Year          = "2012",
  File          = "Brief notes on category theory - Panangaden (0) (0) - a - a - f.pdf"
}

@Unpublished{ Panangaden, Author = "Panangaden, Prakash", date-added = "2012-07-02 23:06:33 +0200", date-modified = "2012-07-02 23:07:07 +0200", Keywords = "category theory", Month = "May", Title = "Brief notes on category theory", Year = "2012", File = "Brief notes on category theory - Panangaden (0) (0) - a - a - f.pdf" }