by Slavin, V.A., Pelcovits, R.A., Loriot, G., Callan-Jones, A., Laidlaw, D.H.
Published in IEEE transactions on visualization and computer graphics (01.09.2006)

by Slavin, Vadim A., Laidlaw, David H., Pelcovits, Robert, Zhang, Song, Loriot, George, Callan-Jones, Andrew
Published in IEEE Visualization 2004 (10.10.2004)