Williams, Brian K.,  1938- <br/><br/>
Using information technology :  a practical introduction to computers & communications / 
Brian K. Williams, Stacey C. Sawyer, Sarah E. Hutchinson. 
 - 2nd ed. 
 - Chicago :  Irwin,  1997. 
 - xxxvii, 602 pages :  illustrations (some color) ;  28 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0256209812 9780256209815 0256209804 9780256209808 
<br/><br/><label>LCCN: </label>96022392  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>010435717  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Telecommunication systems.
<br/><br/><label>Dewey Class. No.: </label>004  / W721