von Bernewitz, M.W. <br/><br/>
Occurrence and treatment of mercury ore at small mines  Information Circular 

 - 1 - 40 
 - Monograph Series of Theoretical and Experimental Studies .
<br/><br/><label>ISBN: </label>0-387-05784-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in geology<br/>Strontium--Isotopes