@TechReport{Kahl-1995a,
  author = 	 {Wolfram Kahl},
  title = 	 {{Kategorien von Termgraphen mit gebundenen Variablen}},
  institution =  {{Fakult\"at f\"ur Informatik, Universit\"at der
		  Bundeswehr M\"unchen}},
  year = 	 1995,
  month =        SEP,
  type =         {{Tech\-ni\-scher Be\-richt}},
  number =       {9503},
  pages =        191
}