Aerial surveys and integrated studies=exploration aerienne et etudes integrees :  proceedings of the Toulouse Conference=actes de la Conference de Toulouse / 
Unesco 
 - Paris :  Unesco,  c1968. 
 - 575 p. :  ill. ;  27 cm. 
 - Natural resources research. Recherches sur les ressources naturelles, 6 .
 - Natural resources research ;  6. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology
<br/><br/><label>Dewey Class. No.: </label>551.4  / UNA 1968