Pecsok, Robert L. <br/><br/>
Métodos modernos de análisis químico 
= Modern methods of chemical analysis. 
Robert L. Pecsok, L. Donald Shields. 

 - Mexico  Editorial  1973. 
 - 487 p.  ill. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry , Analytic