Elenbaas, W. <br/><br/>
Light sources   
by W. Elenbass. 
 - London  Macmillan  1972 
 - xiv, 240p. 
 - Philips Technical Library .
<br/><br/><label>ISBN: </label>0844800570 
<br/><br/><label>Dewey Class. No.: </label>621.322  / N72