International Journal of Human-Computer Studies
International Journal of Human - Computer Studies > 2006 > 64 > 6 > 489-501
International Journal of Human - Computer Studies > 2006 > 64 > 6 > 541-552
International Journal of Human - Computer Studies > 2006 > 64 > 6 > 502-526
International Journal of Human - Computer Studies > 2006 > 64 > 6 > 553-569
International Journal of Human - Computer Studies > 2006 > 64 > 6 > 527-540