Calkins, Gary N. <br/><br/>
The protozoa 

 - New York :  MacMillan,  1901 
 - 347 p.  : ilus. 
 - Columbia University Biological Series  ; VI .
 - Columbia University Biological Series  ; VI .
<br/><br/><label>LCCN: </label>70796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protozoarios.
<br/><br/><label>Dewey Class. No.: </label>593  / C3