Airbone gamma ray spectrometer surveying.   

 - Vienna :   International Atomic Energy Agency,   1991. 
 - 97 p. :    ill. ;    24 cm. 
 - Technical report series;   no. 323. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>920125291 
<br/><br/><label>ISSN: </label>00741914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gamma ray spectrometer surveying.--------<br/>Aerial photogrammetry.--------