Reports 

 - Geneva  ILO         1947 
 - "v,64p"  cm. 
 -  V1 .
<br/><br/><label>Standard No.: </label>88828 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minings
<br/><br/><label>Dewey Class. No.: </label>"X9(HZ551):9.1.N47t, H7.1-.2/UN"