Purnell, John Howard <br/><br/>
Gas chromatography / 
Howard Purnell 
 - New York :  John Wiley,  [1962] 
 - vii, 441 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas chromatography
<br/><br/><label>Dewey Class. No.: </label>544.92