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

 - New Delhi  Navyug Traders Book P.     1971 
<br/><br/><label>Standard No.: </label>90,573 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U671, L1