BRASCH Nicolas <br/><br/>
Physics / 
Nicolas Brasch 
 - Glebe , NSW :  Blake Pubs,  2007 
 - 32 p. 
<br/><br/> Discover how the force of gravity keeps your feet firmly on the ground. Find out how sound vibrates the air, and how surprisingly strong air pressure is. 
<br/><br/><label>ISBN: </label>9781741642773 (pbk) :  13.50 BND