Pearson, Ralph G. <br/><br/>
Chemical hardness / 
Ralph G. Pearson. 
 - Weinheim, Germany :  Wiley-VCH,  c1997. 
 - x, 198 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>3527294821 (cased.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acid-base chemistry.