Curtis, Helena. <br/><br/>
The marvelous animals :  an introduction to the protozoa. 

 - New York :  Natural History Press,  1968. 
 - xvi, 189 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protozoa.