Young, Richard S. (Richard Stuart) <br/><br/>
Extraterrestrial biology / 
by Richard S. Young 
 - New York :  Holt,  1966 
 - 119 p. :  illus. ;  21 cm. 
<br/><br/>Bibliography: p. 113-114 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space biology