Trumbauer, Lisa. <br/><br/>
Balance and motion / 
by Lisa Trumbauer. 
 - New York :  Newbridge,  1997. 
 - 16 p. :  photo., col ;  21 cm. 
 - Systems set .
 - Systems set .
<br/><br/><label>ISBN: </label>1567843417 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravitation.<br/>Weightlessness.