UN/ECA seminar on remote sensing applications and satellite communications for education and development, Addis Ababa, March 11-19, 1981 

 - Addis Ababa :  1981. 
 - Various pagings   : ill.   ; 30cm. 
<br/><br/>Includes bibliographical references<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Remote sensing<br/>Congresses<br/>Aerial reconnaissance
<br/><br/><label>LC Class. No.: </label>IRA G70.4.U5