B, Stevens <br/><br/>
Atomic Structure and Valency 

 - Madras Bn 1647  Philip Allan  1978 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Light & infrared & ultraviolet phenomenaChemistry--Natural Science
<br/><br/><label>Dewey Class. No.: </label>535.84  / STE-A