Ulrich's international periodicals directory   : 1981 

 - 20th 
 - New York  R.R. Bowker  1981 
 -  2212p. 
<br/><br/> HB 
<br/><br/><label>ISBN: </label>0835222756 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodicals-Directories
<br/><br/><label>Dewey Class. No.: </label>050  / ULR