Sixth United Nations Regional Cartographic Conference for Asia and t he Far East, 24 October-7 November 1970, Tehran, Iran :    technical pa pers. 

 - New York :    United Nations,    1970. 
 - xi, 409 p.  ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Cartography -- Congresses.-- Asia