Hellmann, Hubert <br/><br/>
Analysis of surface waters / 
Hubert Hellmann; translator: B. D. Hemmings; translation editor: E. B. Pike 
 - Chichester :  Ellis Horwood,  1987 
 - 275 p. :  ill. ;  25 cm. 
 - Ellis Horwood series in water and wastewater technology .
<br/><br/>p. 268-270 
<br/><br/><label>ISBN: </label>0745802133 
<br/><br/><label>LCCN: </label>87-21349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water chemistry