Willett, J E. <br/><br/>
Gas Chromatography : Analytical Chemistry By Open Learning  Textual Documents 

 - Weinheim  John Wiley  1991 
 - 253. 
<br/><br/><label>ISBN: </label>9971510987   
<br/><br/><label>Subjects--Index Terms: </label>Analytical Chemistry 
<br/><br/><label>Dewey Class. No.: </label>543  / WIL