Lexicon universal encyclopedia.  Volume 18,  Sne-Sz / 

 - New York:  Lexicon Publications, Inc.,  c1988. 
 - 416 pages :  colored illustrations, maps ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0717220214 (cb.)