@Inproceedings{EPTCS181.4,
  author    = {Bak, Christopher and Faulkner, Glyn and Plump, Detlef and Runciman, Colin},
  year      = {2015},
  title     = {A Reference Interpreter for the Graph Programming Language GP 2},
  editor    = {Rensink, Arend and Zambon, Eduardo},
  booktitle = {{\rm Proceedings}
               Graphs as Models,
               {\rm London, UK, 11-12 April 2015}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {181},
  publisher = {Open Publishing Association},
  pages     = {48-64},
  doi       = {10.4204/EPTCS.181.4},
}