Pecsok, Robert L. <br/><br/>
Modern methods of chemical analysis / 
by Robert L. Pecsok and L. Donald Shields 
 - New York :  John Wiley & Sons,  1968 
 - 480 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>68-017161 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic