Fajans, Kasimir <br/><br/>
Radioactivity, and the latest developments in the study of the chemical elements 

 - London  Methuen &amp; Company  1923 
 - 138 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RADIOACTIVIDAD
<br/><br/><label>Universal Decimal Class. No.: </label>539.16/F17