Hem, John D. <br/><br/>
Study and interpretation of the chemical characteristics of natural water/3rd ed. 

 - 3rd ed. 
 - Jodhpur  Scientific Publishers  1991 
<br/><br/><label>Subjects--Index Terms: </label>Water Chemistry 
<br/><br/><label>Dewey Class. No.: </label>546.22  / N1;1