B.I.S. <br/><br/>
IS: 4209 - 1987 GR.5 

 - 
 -  B.I.S. 
 - 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CHEMICAL
<br/><br/><label>Dewey Class. No.: </label>660.2  / B.I