Aerial surveys and integrated studies :  proceedings of the Toulouse Conference 

 - Paris :  UNESCO,  1968 
 - 575 p. :  ilus. 
 - Natural resources research  ; 6 .
 - Natural resources research  ; 6 .
<br/><br/><label>LCCN: </label>45752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fotografía aérea.<br/>Recursos naturales.
<br/><br/><label>Dewey Class. No.: </label>333.72  / U54