@techreport{SchulzePvH16b,
  author = {Christoph Daniel Schulze and Christina Pl{\"o}ger and Reinhard von Hanxleden},
  title = {On Comments in Visual Languages},
  institution = {Christian-Albrechts-Universit{\"a}t zu Kiel, Department of Computer Science},
  type = {Technical Report},
  note = {{ISSN 2192-6247}},
  number = {1602},
  month = {April},
  year = {2016},
  pdf = {report-1602.pdf},
}