Keys to the trematodes of animals and man 
by K.I. Skrjabin and others 
 - Urbana  University of Illinois Press  1964 
 - 351 p. : ill. ; 28 cm. 
<br/><br/><label>LCCN: </label>63-17048 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trematode infections