@PhdThesis{       YorgeyPhD,
  Author        = "Yorgey, Brent A.",
  date-added    = "2023-03-11 22:55:45 +0100",
  date-modified = "2023-03-11 22:56:06 +0100",
  School        = "University of Pennsylvania",
  Title         = "Combinatorial Species and Labelled Structures",
  Year          = "2014",
  File          = "Combinatorial Species and Labelled Structures - a.pdf"
}

@PhdThesis{ YorgeyPhD, Author = "Yorgey, Brent A.", date-added = "2023-03-11 22:55:45 +0100", date-modified = "2023-03-11 22:56:06 +0100", School = "University of Pennsylvania", Title = "Combinatorial Species and Labelled Structures", Year = "2014", File = "Combinatorial Species and Labelled Structures - a.pdf" }