The institute of <br/><br/>
Rare earths and actinides 

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 - London  Insititute of Physics Publishing  1971 
 - 252p.   
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<br/><br/><label>Subjects--Index Terms: </label>Light  Photometry  Optics  Colour  Optical storage devices  Spectrum analysis  Phosphoresence  Spectroscopy  Physics  Optical physics  Light  Photometry  Optics  Colour  Optical storage devices  Spectrum analysis  Phosphoresence  Spectroscopy  Physics 
<br/><br/><label>Dewey Class. No.: </label>539.2:546.65