Betz Laboratories. <br/><br/>
Betz handbook of industrial water conditioning / 
Betz laboratory.  
 - Pennsylvania :  Betz laboratories, Inc,   1962. 
 - iv,427p. :  ill. ;  24 cm. 
<br/><br/>Includes index . 
<br/><br/><label>ISBN: </label>(pbk.) 
<br/><br/><label>LCCN: </label>20040000000058751 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water industry<br/>Contorl water analysis 
<br/><br/><label>LC Class. No.: </label>TA405  / .B39 2009 
<br/><br/><label>Dewey Class. No.: </label>660.284245   / BET.