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donald c backer
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USA VLBI Network handbook
Donald C. Backer · Sine nomine
Sayfa sayısı yok · 1981
Very long baseline interferometry / Handbooks, manuals / Radio interferometers
Measurement of the millisecond pulsar with the "best" atomic clock on earth
David W. Allan, Neil Ashby, Donald C. Backer · Time and frequency Division, National Bureau of Standards
Sayfa sayısı yok · 1985
Atomic clocks / Congresses / Atomic frequency standards / Pulsars