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MR687729 (84j:05031) 05B25 (05B35 51A20)
Cordovil, Raul Sur les matroïdes orientés de rang $3$ et les arrangements de pseudodroites dans le plan projectif réel. (French) [Oriented matroids of rank $3$ and arrangements of pseudolines in the real projective plane] European J. Combin. 3 (1982), no. 4, 307–318.
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