The Bell System technical journal. 

 - [Short Hills, N.J., etc.,    American Telephone and Telegraph Co.] 
 - v. :    ill. ;    23 cm. 
 - Monthly (except May/June and July/Aug.)    1965-83 
 - Bi-monthly    Jan.1961- Irregular,    1942-64 
 - v. 1-62; July 1922-Dec. 1983. 
<br/><br/>  Devoted to the Scientific and Engineering aspects of electrical comm unication   Latest issue consulted: Vol. 59, no. 4 (Apr. 1980) 
<br/><br/><label>ISSN: </label>0005-8580 
 = B S T J 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Telecommunication -- Periodicals.<br/> Electric engineering -- Periodicals.
<br/><br/><label>Dewey Class. No.: </label>620