Aldrich fine chemicals. 

 - Milwaukee, Wis. :  Aldrich Chemical Co. 
 - 1 v. :  ill. ;  24 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemicals
<br/><br/><label>Dewey Class. No.: </label>540.293  / ALD