Understanding space and time 

 - Milton  Keynes Open University Press        1979 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>36741 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Theory<br/>Relativity
<br/><br/><label>Dewey Class. No.: </label>CN, L9.1-;.5