Helvey, T.C.  Dr. <br/><br/>
Moon base:  technical and psychological aspects/ 
T.C. Helvey 
 - Newyork:  John F. Rider ,  c1960 
 - iv, 72 p.:  ill.;  22 cm. 
 - Rider Publication  no.266 .
<br/><br/><label>ISBN: </label> $ 1.9s 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space flight to the moon--United states<br/>Moon--Exploration
<br/><br/><label>Dewey Class. No.: </label>629.454