Mary Elvira Weeks <br/><br/>
Discovery of the elements. Ed 7 

 - 7th Edition. 
 - Cochin  Paico Publishing House  1968 
 - 896p 
<br/><br/>Mary Elvira Weeks; Henry M. Leicester & F. B. Dains: Discovery of the elements. Ed 7.  (7th Edition.)  Cochin.  Paico Publishing House, 1968.--(549.2WEE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>549.2  / WEE