Howell, Laura <br/><br/>
Light, Sound & Electricity 

 - United State of America  Usborne Publishing Ltd,  2001 
<br/><br/> n/a 
<br/><br/><label>ISBN: </label>0-7460-4624-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult Nonfiction
<br/><br/><label>Dewey Class. No.: </label>AN 530 ROG