Douglas, Bruce C. <br/><br/>
Determination of the geopotential from satellite-to-satellite tracking data / 
Bruce C. Douglas, Clyde C. Good and F. Foster Morrison 
 - Washington, D.C. :  U.S. Government Printing Office,  1980 
 - 29 p. ;  26 cm. 
 - NOAA technical memorundum NOS NGS .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial Satellite
<br/><br/><label>Dewey Class. No.: </label>629.434