Bohr, Niels,  1885-1962 <br/><br/>
On the Quantum Theory of Line-Spectra, Part 1 and 2 

 - 1 online resource :  multiple file formats 
<br/><br/> Release date is 2014-11-22 
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<br/><br/><label>Subjects--Index Terms: </label>Quantum theory Spectrum analysis 
<br/><br/><label>LC Class. No.: </label>QC