Books in print 1985-86 
/ R R Bowker 
 - New York:      R R Bowker,         1985 
<br/><br/> Vol.6 Titles Q-Z 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>R 017 (73)