Adrian C. Bickerstaffe Aidan Lane Bernd Meyer Kim Marriott Developing Domain-Specific Gesture Recognizers for Smart Diagram Environments. 145-156 2007 GREC http://dx.doi.org/10.1007/978-3-540-88188-9_15 conf/grec/2007 db/conf/grec/grec2007.html#BickerstaffeLMM07