Rees, Peter <br/><br/>
Why do swings swing? and other moving questions 
Peter Rees 
 - Cambridge  Cambridge University Press  2009 
 - 16 p. : col. ill. ; 23 cm 
<br/><br/><label>ISBN: </label>9780521779999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion<br/>Physics<br/>Science -- Study and teaching (Primary)
<br/><br/><label>Dewey Class. No.: </label>531.113 REE