Gamow, George <br/><br/>
Gravity 

 - New York  Doubleday and Company Inc.        1962 
 - 157 p.  Includes bibliographical reference and index 
<br/><br/> Science study series. 
<br/><br/><label>Source: </label> Reference  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravity<br/>Physics