Kenk, Roman <br/><br/>
Freshwater triclads (Turbellaria) of North America / 
Roman Kenk 
 - Washington :  Smithsonian Institution Press,  1973 
 - v. ;  26 cm. 
 - Smithsonian contributions to zoology  no.148 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dendrocoelopsis<br/>Turbellaria--North America