Frontiers in info-communications research 
/ Communication research Laboratory 
 -  Communication research Laboratory,             1999 
 - 244p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Physics 
<br/><br/><label>Universal Decimal Class. No.: </label>621.39  / N9