Brasch, Nicolas <br/><br/>
Why do shadows change? and other questions about light and dark 

 - Cambridge :   Cambridge University Press,   2010 
 - 24 p. :   col. ill.  
<br/><br/><label>ISBN: </label>9780521137317 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light<br/>Shades and shadows
<br/><br/><label>Dewey Class. No.: </label>535  / B823