P
[Pet62] Carl Adam Petri. Kommunikation mit Automaten. PhD thesis, Darmstadt University of Technology, Germany, 1962. 
@phdthesis{phd-petri,
  author =              {Petri, Carl Adam},
  title =               {Kommunikation mit Automaten},
  year =                {1962},
  school =              {Darmstadt University of Technology, Germany},
}
List of authors