Polcyn, Kenneth A <br/><br/>
An educator's guide to communication satellite technology 

 - Washington:  I C I T,  1973. 
 - 99p. 
<br/><br/> Includes index 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Satellite technology
<br/><br/><label>Dewey Class. No.: </label>371.335  / POE