Spragins, John, D Hammond, Joseph, L  <br/><br/>
Telecomminicatios : protocols and design  

 - Addision wesley   New York   1992 
 -  1500 
<br/><br/><label>ISBN: </label>0-201-09290-5  
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATION SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>621.382 SPR