Williams, Brian K.,  1938- <br/><br/>
Using information technology :  a practical introduction to computers and communications / 
Brian K. Williams, Stacey C. Sawyer, Sarah E. Hutchinson. 
 - 3rd ed. 
 - Boston ;  London :  Irwin  1999. 
 - xxx, 610 p. ;  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references (p. 595-601) and index. 
<br/><br/><label>ISBN: </label>0071158677 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Telecommunication systems.<br/>Information technology.
<br/><br/><label>Dewey Class. No.: </label>004 WIL 1999