Narlikar Jayant V. <br/><br/>
Linghter side of gravity 

 - San Francisco  W.H. Freeman and Company      1982 
 - 194p.  cm. 
<br/><br/><label>ISBN: </label>0716713446 
<br/><br/><label>Standard No.: </label>103276 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>CK, M2