Holt science & technology : sound and light 

 - New York  A Harcourt Classroom Education Company  2002 
 - 152 p 
<br/><br/><label>ISBN: </label>03-064807-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science & technology
<br/><br/><label>LC Class. No.: </label>Q 185.5 .H65/