Williams, Brian K. <br/><br/>
Using information technology :  a practical introduction to computers and communications / 
Brian K. Williams. 
 - 2nd ed. 
 - Boston :  Irwin,  1997. 
 - 602p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Information technology.<br/>Telecommunications systems.