Bradford, Derek <br/><br/>
Acidity and alkalinity / 
by Derek Bradford 
 - 2nd ed. 
 - London:  Heinemann Educational Books,  1973 
 - 38 p. :  ill. ;  20 cm. 
 - Foreground chemistry ;  6 .
<br/><br/><label>ISBN: </label>0435643061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acids