Cramp, Leonard G. <br/><br/>
Space, Gravity and the Flying Saucer / 
Leonard G. Cramp. 
 - London :  Werner Laurie,  1954. 
 - 182 p.   20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space flight<br/>Unidentified flying objects
<br/><br/><label>LC Class. No.: </label>TL789