@Inproceedings{EPTCS74.4,
  author    = {Mazanek, Steffen},
  year      = {2011},
  title     = {HelloWorld! An Instructive Case for the Transformation Tool Contest},
  editor    = {Van Gorp, Pieter and Mazanek, Steffen and Rose, Louis},
  booktitle = {{\rm Proceedings Fifth}
               Transformation Tool Contest,
               {\rm Z\"urich, Switzerland, June 29-30 2011}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {74},
  publisher = {Open Publishing Association},
  pages     = {22-26},
  doi       = {10.4204/EPTCS.74.4},
}