Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Highway noise a field evaluation of traffic noise reduction measures gan Kugler, B. Andrew

    Cyhoeddwyd 1973
    Llyfr

    Highway noise a field evaluation of traffic noise reduction measures
  2. 2

    Highway noise a design guide for highway engineers

    Cyhoeddwyd 1971
    Llyfr

    Highway noise a design guide for highway engineers

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