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Last edited anonymously
August 19, 2008 | History
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Helmut Hellwig

We need a photo of Helmut Hellwig

5 works Add another?

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  • Cover of: Frequency standards and clocks: a tutorial introduction

    First published in 1977 — 1 edition
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  • Cover of: Hydrogen spin exchange frequency shifts.

    First published in 1970 — 1 edition
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  • Cover of: ion storage technique for application in frequency standards

    First published in 1970 — 1 edition
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  • Cover of: review of precision oscillators

    First published in 1975 — 1 edition
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  • Cover of: Status report on primary frequency standards

    First published in 1973 — 1 edition
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We need a photo of Helmut Hellwig

Subjects

Frequency standards, Time, Atomic clocks, Crystal Oscillators, Frequency stability, Hydrogen, Ions, Masers, Spin exchange, Storage tubes, Systems and standards, Time-signals

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ID Numbers

  • OLID: OL2154784A

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History

Download catalog record: RDF / JSON
August 19, 2008 Edited by an anonymous user fix author name
April 1, 2008 Created by an anonymous user initial import