Berk, Sharon G. <br/><br/>
Wastewater organisms :  a color atlas / 
Sharon G. Berk, John H. Gunderson 
 - Boca Raton, Fla. :  Lewis Publishers,  1993 
 - 25 p., [43] p. of plates :  col. ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>087371623X (acid-free paper)  RM642.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Microbiology--Atlases