Dordick, Herbert S.. <br/><br/>
Understanding Modern Telecommunications /  

 - New York, N.Y. 10020 :   Serving the Need for Knowledge ,   1991 
 - x,324p ;  
<br/><br/><label>ISBN: </label>0-07-017662-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication 
<br/><br/><label>Dewey Class. No.: </label>BVOa D65  / M6