Rowell, L. N. <br/><br/>
Satellite constellations for worldwide and hemisphere coverage / 
L. N. Rowell ; prepared for the Defense Communicatons Agency. 
 - California :  Rand Corporation,  1979. 
 - ix, 48 p. :  ill. ;  28 cm. 
 - A Rand note ;  N-1432-DCA .
 - Rand note ;  N-1432-DCA. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial satellites in telecommunication<br/>Artificial satellites--Orbits