Bases de datos bibliográficos Pascal y Francis

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Pascal Classification Scheme

001 Exact sciences and technology.
- 001A Sciences and techniques of general use.
- 001B Physics
- 001C Chemistry.
- 001D Applied sciences.
- 001E Earth, ocean, space.
  - 001E01 Earth sciences.
  - 001E02 External geophysics.
  - 001E03 Astronomy.
    - 001E03A Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations.
    - 001E03B Solar System.
    - 001E03C Stars.
      - 001E03C10 Stellar characteristics and properties.
        
        001E03C10B Star formation.
        
        001E03C10C Stellar structure, interiors, evolution, nucleosynthesis, ages.
        
        001E03C10E Stellar atmospheres (photospheres, chromospheres, coronae, magnetospheres). Radiative transfer. Opacity and line formation.
        
        001E03C10F Circumstellar shells, clouds, and expanding envelopes. Circumstellar masers.
        
        001E03C10G Accretion and accretion disks.
        
        001E03C10J Stellar activity.
        
        001E03C10K Stellar rotation.
        
        001E03C10L Magnetic and electric fields. Polarization of starlight.
        
        001E03C10M Mass loss and stellar winds.
        
        001E03C10N Masses.
        
        001E03C10P Radii and surface features (starspots, etc.).
        
        001E03C10R Luminosities, magnitudes, effective temperatures, color, and spectral classification.
        
        001E03C10S Pulsations, oscillations, and stellar seismology.
        
        001E03C10T Abundances, chemical composition.
        
        001E03C10V Distances, parallaxes.
        
        001E03C10W Proper motions and radial velocities. Space motions.
        
        001E03C10X Luminosity and mass functions.
        
        001E03C10Y Star counts, distribution, and statistics.
        
        001E03C10Z Hertzsprung-Russell, color-magnitude, and color-color diagrams.
      - 001E03C20 Normal stars (by class): general or individual.
      - 001E03C21 Pre-main sequence objects, young stellar objects (YSO's) and protostars (T Tauri stars, Orion population, Herbig-Haro objects, Bok globules, bipolar outflows, cometary nebulae, etc.).
      - 001E03C30 Variable and peculiar stars (including novae).
      - 001E03C60 Late stages of stellar evolution (including black holes).
      - 001E03C80 Binary and multiple stars.
      - 001E03C82 Extrasolar planetary systems.
      - 001E03C90 Other topics on stars.
    - 001E03D Stellar systems. Galactic and extragalactic objects and systems. The Universe.
    - 001E03E Extraterrestrial life and intelligence.
002 Biological and medical sciences.

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Pascal Classification Scheme

Francis Classification Scheme