Proceedings of the XV IAGRG conference held at the north Bengal university november 4-7, 1989 <br/><br/>
Gravitation and cosmology 

 - New Delhi  Wiley Eastern  1992 
 - vi, 200 p. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>8122404154 
<br/><br/><label>Dewey Class. No.: </label>CK0aB9 N2