Nist Time and Frequency Services (Classic Reprint)

Nbs Reactor, Summary of Activities: July 1975 to June 1976 (Classic Reprint)

Nist Time and Frequency Services (Classic Reprint)

Time and Frequency Users Manual (Classic Reprint)

Standard Time and Frequency: Its Generation, Control (Classic Reprint)

Time and Frequency Users' Manual (Classic Reprint)

The National Measurement System for Time and Frequency (Classic Reprint)

Time and Frequency Users' Manual (Classic Reprint)