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

    Life-cycle changes in household structure and travel characteristics gan Downes, J. D.

    Cyhoeddwyd 1980
    Llyfr

    Life-cycle changes in household structure and travel characteristics
  2. 2

    Non-transport influences on travel patterns gan Town, S. W.

    Cyhoeddwyd 1980
    Llyfr

    Non-transport influences on travel patterns

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