webpage http://www.scopus.com/inward/record.url?eid=2-s2.0-81455148195&partnerID=MN8TOARS http://dx.doi.org/10.1109/VLHCC.2006.3
published in Proceedings - IEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2006 Proceedings Visual Languages and Human-Centric Computing (VL/HCC'06) Journal Visual Languages and Human-Centric Computing (VL/HCC'06) Proceedings