Patterson, D. J. <br/><br/>
Free - living freshwater protozoa:  a colour guide / 
by D. J. Patterson 
 - New York :  John Wiley and Sons,  1996. 
<br/><br/><label>ISBN: </label>086840327X 
<br/><br/><label>Subjects--Index Terms: </label>Freshwater Protozoa Protozoa 
<br/><br/><label>Dewey Class. No.: </label>593.109169