PANKO R.R. <br/><br/>
BUSINESS DATA NETWORKS AND TELECOMMUNICATIONS 

 - 4th ed. 
 -  NEW DELHI : PRINTICE HALL  2003 
 - 510 p. 
<br/><br/><label>ISBN: </label>0008120321715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA COMMUNICATION : COMPUTER NETWORKS : TELECOMMUNICATION
<br/><br/><label>Dewey Class. No.: </label>004.6  / P15