Kathren, R L <br/><br/>
Mean and effective photon energies of 226Ra in equilibrium with daughters.  [electronic resource] 

 -  Health physics  Jan 1976 
 - 143-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0017-9078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary Particles<br/>Radium<br/>Weights and Measures