Pecsok, Robert L. <br/><br/>
Modern Methods of Chemical Analysis / 
Robert L. Pecsok, L. Donald Shields 
 - New York :  John Wiley & Sons,  1968 
 - 480 p. ; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química analítica
<br/><br/><label>LC Class. No.: </label>QD 75 P42