Jones Harlod Spencer <br/><br/>
Life on REF worlds 
Jones Harlod Spencer 
 -  1952 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24960 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B90G:5, H0;J2