Manual on radiological safety in uranium and thorium mines and mills 
sponsored by the International Atomic Energy Agency and the International Labour Organisation. 
 - Vienna  International Atomic Energy Agency  1976. 
 - 82p. ill. 21cm 
 - Safety series  no.43 .
<br/><br/><label>ISBN: </label>9201231768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Uranium mines and mining--Safety measures<br/>Thorium