PAULSSEN, LEIF M. <br/><br/>
IDENTIFICATION OF ACTIVE CHARCOALS AND WOOD CHARCOALS 

 - S.E. 
 - S.L. Sin Pais  UNFO  1964 
 - 109 
<br/><br/><label>LCCN: </label>14877 
<br/><br/><label>Dewey Class. No.: </label>662.74