Kieffer, William F. <br/><br/>
The mole concept in chemistry 
<label>/ by </label> Kieffer, William F. 
 - New York  Reinhold Publishing Corporation  1963 
 - ix,118p.  19 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>541.25  / K