@unpublished{FishLambers2013,
  author    = {Fish, Andrew and Lambers, Leen},
  title     = {Special issue on graph transformation and visual modeling techniques - guest editors' introduction},
  series = {Journal of visual languages and computing},
  volume    = {24},
  journal   = {Journal of visual languages and computing},
  number    = {6},
  publisher = {Elsevier},
  address   = {London},
  issn      = {1045-926X},
  doi       = {10.1016/j.jvlc.2013.08.004},
  pages     = {419 -- 420},
  year      = {2013},
  language  = {en}
}