AT and T Bell Laboratories technical journal 
 A T & T Bell Laboratories technical journal  AT and T Bell Laboratories technical journal 

 - New York, N.Y. :  American Telephone and Telegraph (AT&T), 
<br/><br/><label>ISSN: </label>0748-612X 
 = AT and T Bell Laboratories technical journal 
<br/><br/><label>Subjects--Index Terms: </label>ELECTRONICA