@Inproceedings{EPTCS183.2,
  author    = {Antoy, Sergio and Johannsen, Jacob and Libby, Steven},
  year      = {2015},
  title     = {Needed Computations Shortcutting Needed Steps},
  editor    = {Middeldorp, Aart and Raamsdonk, Femke van},
  booktitle = {{\rm Proceedings 8th International Workshop on}
               Computing with Terms and Graphs,
               {\rm Vienna, Austria, July 13, 2014}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {183},
  publisher = {Open Publishing Association},
  pages     = {18-32},
  doi       = {10.4204/EPTCS.183.2},
}