Welker, Joseph.  <br/><br/>
Water and wastewater treatment /  
Joseph Welker.  
 - Forest Hills, NY :  Callisto Reference,   c2020. 
 - vii, 212 pages :  color, illustrations 
<br/><br/>Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>978-1-64116-380-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Purification. <br/>Sewage--Purification. <br/>Water treatment plants--Management. <br/>Sewage disposal plants--Management. <br/>Sanitary engineering.
<br/><br/><label>Dewey Class. No.: </label>628.162  / W446 2020