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• 001 Exact sciences and technology.
  • 001E Earth, ocean, space. (See also 001D14F, 001D06B02B, 001D06B01B, 001C02D)
    • 001E03 Astronomy.
      • 001E03A Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations.
        • 001E03A55 Astronomical and space-research instrumentation.
          • 001E03A55S Auxiliary and recording instruments; clocks and frequency standards.

Title

• en : Auxiliary and recording instruments; clocks and frequency standards.
• fr : Instruments auxiliaires et d'enregistrement; horloges et étalons de fréquence.

SKOS Notation

001E03A55S

In the plan

Pascal Classification Scheme