Proceedings of the United Nations seminar on aerial survey methods and equipment  
/ Held at Bangkok, 4 January to 5 February 1960 
 - Bangkok:   United Nations,   1960 
 - 167p. 
 - Mineral resources development series   12 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>550.81:526:553   / K0