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Variable-message signs : Legibility and recognition of symbols Colomb, Michele et al

By: Series: VTI rapportPublication details: Statens Väg- och Trafikinstitut, 1991; VTI rapport, Description: nr 372A:1, s. 45-62Subject(s): Bibl.nr: VTI P0654:372A:1Location:
Item type: Reports, conferences, monographs