Ulrich's international periodicals directory  
/ R. R. Bowker Company  
 - 16th ed.  
 - New York:   R. R. Bowker Company,   1975 
 - lxii, 1755p.  
 - A bowker serials bibliography  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Directory  
<br/><br/><label>Universal Decimal Class. No.: </label>R 05(058.7)   / L5