BECKER, RALPH S. <br/><br/>
QUIMICA GENERAL/  
R.S. BECKER, W. E.  WENTWORTH 
 - BARCELONA:   REVERTE  1977 
 - 2 V.  22 CM. 
<br/><br/><label>ISBN: </label>84-291-7043-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.QUIMICA.
<br/><br/><label>Dewey Class. No.: </label>540 B43