Búsqueda por clasificación
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518- Ecoinfo
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519- Philosophy
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520- Educational sciences
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521- Sociology
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522- History of science and technology
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523- History and sciences of litterature
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524- Linguistics
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525- Prehistory and protohistory
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526- Art and archaeology
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527- History and sciences of religions
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528- Administrative science
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529- Ethnology
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531- Geography
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531-1 General
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531-2 Theoretical geography
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531-5A Global change
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531-5B Latitudes and altitudes: zonal geography
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531-6 General methodology
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531-9 General documentation (data, congresses, miscellaneous)
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531-10 Cartography, space figuration
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531-20 The practice of geography
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531-2 Theoretical geography
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531-24 Historical section
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531-34 Physical geography
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531-97 Human geography
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531-152 World. Multiregional geography
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531-153 Europe
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531-327 Asia
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531-368 Africa
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531-452 America
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531-524 Oceania
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531-542 Polar regions
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531-1 General
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533- Latin america
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540- Repertory of art and archaeology.
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600-
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603- Computer processing and legal sciences
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610-
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616- Company management
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617- General economics
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731- Energy economics
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760- Public health. Hygiene.
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770- Psychology. Psychoanalysis. Psychiatry.
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790- Information and communication sciences