Graph Drawing 20th International Symposium, GD 2012, Redmond, WA, USA, September 19-21, 2012, Revised Selected Papers Didimo Walter Heftet / 2013 / Engelsk
Graph Drawing 16th International Symposium, GD 2008, Heraklion, Crete, Greece, September 21-24, 2008, Revised Papers Tollis Ioannis G. Heftet / 2009 / Engelsk
