Pen-Based Interaction Techniques for Organizing Material on an Electronic Whiteboard.

Thomas P. Moran Patrick Chiu William van Melle Pen-Based Interaction Techniques for Organizing Material on an Electronic Whiteboard. 45-54 1997 ACM Symposium on User Interface Software and Technology http://doi.acm.org/10.1145/263407.263508 db/conf/uist/uist1997.html#MoranCM97