Jacchia, Luigi G. <br/><br/>
An analysis of the atmospheric drag of the Explorer IX satellite from precisely reduced photographic observations /  by ... and Jack Slowey 

 - Cambridge, Mass. :  Smithsonian Institution,  1963 
 - 57 p 
 - Smithsonian Institution. Astrophysical Observatory. SAO special report ;  no. 125 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmospheric temperature<br/>Artificial satellites--Atmospheric entry
<br/><br/><label>LC Class. No.: </label>TL796 A1 S6 no. 125