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• Top level
• • classification G

  • classification G1 (742 biblios)	classification G2 (12 biblios)	classification G3 (3 biblios)
    classification G4 (10 biblios)	classification G5 (16 biblios)	classification G6 (6 biblios)
    classification G7 (137 biblios)	classification G8 (37 biblios)	classification G9 (2 biblios)
    classification GA (18 biblios)	classification GB (128 biblios)	classification GC (74 biblios)
    classification GE (170 biblios)	classification GF (73 biblios)	classification GN (298 biblios)
    classification GP (2 biblios)	classification GR (196 biblios)	classification GT (196 biblios)
    classification GV (580 biblios)