Human-computer interaction / 
Alan Dix ... [et al.] 
 - 3rd ed 
 - Harlow, UK:  Pearson,   2004 
 - xxv, 834 p.:   ill.;   24 cm 
<br/><br/> Includes index 
<br/><br/>References: p. 791 - 815 
<br/><br/><label>ISBN: </label>0130461091 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human--Computer interaction