Barfield, Lon <br/><br/>
The user interface :  concepts & design / 
Lon Barfield 
 - Wokingham, England ;  Reading. Mass. :  Addison-Wesley Pub. Co.,  c1993 
 - xxi, 353 p. :  ill. ;  24 cm 
<br/><br/>Includes bibliographical references (p. 335-345) and index 
<br/><br/><label>ISBN: </label>9780201544411 
<br/><br/><label>LCCN: </label>93138964 
<br/><br/><label>Nat. Bib. No.: </label>GB93-17838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces (Computer systems)
<br/><br/><label>Subjects--Index Terms: </label>Interfaces (Computers) 
<br/><br/><label>Dewey Class. No.: </label>004.21  / BAR