@Article{JGAA-56,
   author = {{Rodolfo} {Castelló} and {Rym} {Mili} and {Ioannis} G. {Tollis}},
   title = {A Framework for the Static and Interactive Visualization of Statecharts},
   journal = {Journal of Graph Algorithms and Applications},
   year = {2002},
   volume = {6},
   number = {3},
   pages = {313--351},
   doi = {10.7155/jgaa.00056}
}