Berry, Michael V. <br/><br/>
Principles of cosmology and gravitation / 
Michael Berry 
 - Cambridge :  Cambridge University Press,  1976 
 - x, 179 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0521210615 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology.<br/>Gravitation.