Demidov, V. Ye <br/><br/>
Radio bridge : earth-moon-earth 
V. Ye Demidov 
 - Washington D.C.  National Aeronautics and Space Administration  [19-?] 
 - [6],42p.;  27cm.- 
 - NASA TTF; no. 527 .
<br/><br/><label>Dewey Class. No.: </label>621.38415  / DEM