Wastewater biology :  The microlife / 
Water Environment Federation 
 - 3a. ed 
 - New York :  WEF,  2017 
 - 336 p. :  il. 
 - WEF Special Publication .
 - WEF Special Publiction (Water Environment Federation) .
<br/><br/>Introduction. -- Microorganisms. -- The microscope. -- Bacteria. -- Protozoa. -- Rotifers. -- Nematodes and other metazoa. -- Filamentous Organisms. -- Indicator Bacteria. -- Wastewater pathogens. -- Photomicroscopy. -- Appendix A Test procedures and methods. 
<br/><br/><label>ISBN: </label>9781572783379 
<br/><br/><label>Dewey Class. No.: </label>579.092 WEFwa