SCHOENBECK,R.J <br/><br/>
ELECTRONIC COMMUNICATIONS MODULATION AND TRANSACTION 

 -  PHI-Learning  1999 
 - XXIV+643p.,23X176cms 
<br/><br/><label>ISBN: </label>8120314833 
<br/><br/><label>Dewey Class. No.: </label>621.38415 S365