Shay, William A <br/><br/>
Understanding data communications & networks 
by William a Shay 
 - 2nd ed. 
 - Singapore,  Thomson Learning,   1999. 
 - xx, 711p. 
<br/><br/><label>ISBN: </label>9789812400505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER SCIENCE<br/>COMMUNICATION ENGINEERING<br/>NETWORK ENGINEERING<br/>DATA COMMUNICATION
<br/><br/><label>Dewey Class. No.: </label>004.65 SHA/U.1