Nardo, Don. <br/><br/>
Gravity :  the universal force / 
[by] Don Nardo. 
 - San Diego, CA :  Lucent,  1990. 
 - 96 p. :  ill. 
 - The Encyclopedia of discovery and invention .
<br/><br/>Includes bibliographical references. 
<br/><br/> Explains the force of gravity, including theories of gravity and its effects on human life. 
<br/><br/><label>ISBN: </label>1560062045 
<br/><br/><label>LCCN: </label>90006413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravitation.
<br/><br/><label>Dewey Class. No.: </label>531