Berry, Michael V. <br/><br/>
Principles of cosmology and gravitation / 

 - Cambridge ;  New York :  Cambridge University Press,  1976. 
 - x, 179 p. :  ill. ;  23 cm. 
<br/><br/> Includes appendices and  bibliography index. 
<br/><br/><label>LC Class. No.: </label>DUCE QB981.B54