Laurent,Bertel <br/><br/>
Introduction to spacetime: afirst course on relativity / 
Laurent,Bertel. 
 - Singapore:  World scientific,  1994. 
 - 190p;23cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9810219296 
<br/><br/><label>Dewey Class. No.: </label>530.1 LAU