Gray, Charles A. <br/><br/>
Explorations in chemistry 
<label>/ by </label> Gray, Charles A. 
 - New York  E.P. Dulton and Co.  1965 
 - 221p.  ill.  23 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>540.072  / G