Farndon, John. <br/><br/>
Calcium / 
by John Farndon. 
 - Tarrytown, NY :  Benchmark Books,  2000. 
 - 32 p.; col. illus. 
 - The elements .
<br/><br/> Summary: Describes the origins, properties, chemical activity, and uses of the element calcium. 
<br/><br/><label>ISBN: </label>0-7614-0888-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calcium