@TechReport{      feyn,
  Author        = "Faris, William G.",
  date-added    = "2023-03-10 22:57:54 +0100",
  date-modified = "2023-03-10 22:58:15 +0100",
  Institution   = "2011",
  Title         = "COMBINATORIAL SPECIES AND FEYNMAN DIAGRAMS",
  File          = "COMBINATORIAL SPECIES AND FEYNMAN DIAGRAMS - s61Afaris - a.pdf"
}

@TechReport{ feyn, Author = "Faris, William G.", date-added = "2023-03-10 22:57:54 +0100", date-modified = "2023-03-10 22:58:15 +0100", Institution = "2011", Title = "COMBINATORIAL SPECIES AND FEYNMAN DIAGRAMS", File = "COMBINATORIAL SPECIES AND FEYNMAN DIAGRAMS - s61Afaris - a.pdf" }