WEEKS, Mary Elvira <br/><br/>
Discovery of the elements 

 - 7th ed. 
 - Cochin  Paico pub.  1968 
 - v, 895 p. 
<br/><br/><label>ISBN: </label>51320 
<br/><br/><label>Dewey Class. No.: </label>509  / WEE