Williams, W. D. (William David) <br/><br/>
A revision of North American epigean species of Asellus (Crustacea: Isopoda) 
[by] W. D. Williams. 
 - Washington,  Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]  1970. 
 - Smithsonian contributions to zoology ;  no. 49 .
<br/><br/>Bibliography: p. 77-79. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>73610338 //r862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asellus.<br/>Crustacea -- North America.--Crustacea -- North America.
<br/><br/><label>LC Class. No.: </label>QL1  QL444.I8  / .S54 no. 49 
<br/><br/><label>Dewey Class. No.: </label>591/.08 s  595/.372