Nahin, Paul J. <br/><br/>
Time machines : time travel in physics, metaphysics, and science fiction / 
Paul J. Nahin. 
 - 2nd ed. 
 - New York:  Springer,  1999. 
 - xxxii, 628p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780387985718 
<br/><br/><label>Dewey Class. No.: </label>813.0876209384 NAH