Ardley, Neil. <br/><br/>
The science book of gravity / 
Neil Ardley. 
 - 1st U.S. ed. 
 - San Diego :  Harcourt Brace Jovanovich,  1992. 
 - p. cm. 
<br/><br/> "Gulliver books." 
<br/><br/> Simple experiments demonstrate the laws of gravity. 
<br/><br/><label>ISBN: </label>0152006214 
<br/><br/><label>LCCN: </label>92003413 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravitation--Juvenile literature.<br/>Gravity--Measurement--Experiments--Juvenile literature.<br/>Gravity--Experiments.<br/>Experiments.
<br/><br/><label>LC Class. No.: </label>QC178  / .A65 1992 
<br/><br/><label>Dewey Class. No.: </label>531/.14