Gupta, Raj Kumar <br/><br/>
Planning natural resources:   A handbook of aerospace techniques for integrated surveys and studies in natural resource ecology 

 - New Delhi:   Navayug Traders, Booksellers & Publishers,   1971 
 - 269p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Subjects--Index Terms: </label>Photographic interpretation 
<br/><br/><label>Universal Decimal Class. No.: </label>330.15  / L1