Seminar on Time and Frequency  
/Proceedings national physical laboratory, November 18-20, 1976  
 - New Delhi:   National Physical Laboratory,   1977  
 - 713p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time frequency 
<br/><br/><label>Universal Decimal Class. No.: </label>529.7+621.317.76(082.2)  / L7