FREEMAN, R.L. <br/><br/>
PRACTICAL DATA COMMUNICATIONS 

 - 2 
 -  Wiley  0 
 - xxxi+826p.,24x15Cms 
<br/><br/><label>ISBN: </label>0471392731 
<br/><br/><label>Dewey Class. No.: </label>621.38195404 F855