Guidelines for the identification of ciliates in wastewater treatment plants / 
Susana Serrano ... [et al.] 
 - London :  IWA,  2008 
 - ix, 112 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1843391716 (pbk.) 9781843391715 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water --Purification<br/>Biological --Purification<br/>Biological --Ciliata
<br/><br/><label>LC Class. No.: </label>TD475   / .G84 2008