Willet, John. <br/><br/>
Gas chromatography :  analytical chemistry by Open Learning / 
John Willet. 
 - Chichester :  John Wiley on behalf of ACOL,  1987. 
 - xviii,  253 p.  ill.  23 cm. 
 - Analytical chemistry by open learning. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471913324(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromatographic analysis.