Nelkon, M <br/><br/>
Light and Sound 

 - London  William Heinemann Ltd  1950 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science --Physics--PhysicsLight & infrared & ultraviolet phenomena
<br/><br/><label>Dewey Class. No.: </label>535  / NEL-L