Langone, John,  1929-2006. <br/><br/>
The mystery of time :  humanity's quest for order and measure / 
John Langone. 
 - Washington, D.C. :  National Geographic Society,  c2000. 
 - 256 pages :  colour illustrations ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0792279107  Hadiah 9780792279105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time--History.