Report of the task force on aerial surveys 

 - Delhi  Manager of Publications India         1972 
 - 74p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U18:M95(D:28).2.N7, L2/GD