Bell, R.L. <br/><br/>
Negetive electron affinity devices 

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 - London  Oxford University  1973 
 - ix, 148p.   
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<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>Semiconductor devices  Electron affinity devices 
<br/><br/><label>Dewey Class. No.: </label>621.382