ULRICH?S international periodicals directory. 

 - 3rd. supplement 
 - New York  R.R. Bowker  c1969 
 - 28 v.  29 cm. 
<br/><br/><label>ISBN: </label>83520233X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodicals--Directories.