Radiation protection in the mining & milling of radioactive ores    Code of practice report 1980.    

 - Canberra  Australia Govt           1980 
 - v,21p.  cm. 
 - Parliamentary paper;255/1980 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X(B9).N80r, M/GD