Lawden, Derek F, <br/><br/>
Introduction to tensor calculus, relativity, and cosmology 

 - 3rd ed. 
 - New york:  Dover Publication,  1982. 
 - xiii, 205 p.:   ill.;   24 cm. 
<br/><br/> Originally published: 3rd ed. Chichester [Sussex] ; New York : Wiley, c1982 
<br/><br/><label>ISBN: </label>9780486425405 
<br/><br/><label>Dewey Class. No.: </label>530.11 LAW