Spellman, Frank R. <br/><br/>
Microbiology for water/wastewater operators  [electronic resource] / 
Frank  R. Spellman. 
 - Rev. reprint. 
 - Lancaster, Pa. :  Technomic Pub.,  c2000. 
 - 1 online resource. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781566769082 9780585245782 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Microbiology.
<br/><br/><label>LC Class. No.: </label>TD475  / .S66 2000