@inproceedings{SchulzePvH16a,
  author = {Christoph Daniel Schulze and Christina Pl{\"o}ger and Reinhard von Hanxleden},
  title = {On Comments in Visual Languages},
  booktitle = {Proceedings of the 9th International Conference on the Theory and Application of Diagrams (DIAGRAMS '16)},
  publisher = {Springer},
  series = {LNCS},
  year = {2016},
  pages = {219--225},
  isbn = {978-3-319-42333-3},
  doi = {10.1007/978-3-319-42333-3_17},
  pdf = {diagrams16b.pdf},
  htmlnote = {The final publication is available at Springer via \href{http://dx.doi.org/10.1007/978-3-319-42333-3_17}{http://dx.doi.org/10.1007/978-3-319-42333-3_17}.},
}