M. Koch, A. Rancati, A. Grasso, and D. Snowdon. Proc. Human Computer Interaction International 99 Volume 2, page 417-421. London, Lawrence Erlbaum Publishers, (August 1999)
M. Koch, A. Rancati, A. Grasso, and D. Snowdon. Proc. Human Computer Interaction International 99 Volume 2, page 417-421. London, Lawrence Erlbaum Publishers, (August 1999)