Schuster, Robert O. <br/><br/>
Tardigrada from western North America :  with emphasis on the fauna of California, / 
by Robert O. Schuster and Albert A. Grigarick. 
 - Berkeley ;  Los Angeles :  University of California Press,  1965. 
 - 67 p. :  illus, map. ;  26 cm. 
 - University of California publications in zoology  v. 76 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tardigrada--West (U.S.)