Study group of geologists and mining engineers from Asia and the far east 

 - New  York United Nations USA      1959 
 - 159p  cm. 
<br/><br/><label>Standard No.: </label>152038 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Hp73,N59, J9/UN"