Chemical abstract :   Patent Index /  
American Chemical Society. 
 - Columbus, Ohio, USA :   American Chemical Society,   [n.d.]. 
<br/><br/><label>ISSN: </label>0009-2258 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Chemistry--Abstracts--Periodicals<br/>Chemistry--Indexes--Periodicals
<br/><br/><label>Dewey Class. No.: </label>540  / CHE