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• 001 Exact sciences and technology.
  • 001E Earth, ocean, space. (See also 001D14F, 001D06B02B, 001D06B01B, 001C02D)
    • 001E03 Astronomy.
      • 001E03D Stellar systems. Galactic and extragalactic objects and systems. The Universe.
        • 001E03D52 Normal galaxies. Extragalactic objects and systems (by type).
          • 001E03D52C Classification and classification systems.

Title

• en : Classification and classification systems.
• fr : Classification et systèmes de classification.

SKOS Notation

001E03D52C

In the plan

Pascal Classification Scheme