Volpe, A M <br/><br/>
Determination of radium isotope ratios and abundances in geologic samples by thermal ionization mass spectrometry.  [electronic resource] 

 -  Analytical chemistry  May 1991 
 - 913-6 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0003-2700 
<br/><br/><label>Standard No.: </label>10.1021/ac00009a015  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--methods<br/>Isotopes<br/>Mass Spectrometry--methods<br/>Radium--analysis