Knapp, Brian, BSc, Phd <br/><br/>
Sulfur 

 - Danbury, CT  Grolier Educatinal  1996 
 - 56 p., incl index 
 - Elements  V.13 .
<br/><br/> card 
<br/><br/><label>ISBN: </label>0-7172-7572-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical elements<br/>Periodic law<br/>Chemistry, Physical and theoretical