Mills, David L. <br/><br/>
Computer network time synchronization :  the Network Time Protocol on Earth and in space / 
David L. Mills 
 - 2nd ed. 
 - Boca Raton, FL :  CRC Press,  2011 
 - xxvii, 466 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439814635 1439814635 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Network Time Protocol (Computer network protocol)<br/>Synchronous data transmission systems<br/>Computer networks--Management<br/>Synchronization