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

    Effects of converting a zebra to a pelican crossing gan Williams, Marian C.

    Cyhoeddwyd 1984
    Llyfr

    Effects of converting a zebra to a pelican crossing
  2. 2

    Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved gan Williams, Marian C.

    Cyhoeddwyd 1980
    Llyfr

    Tabulations of 1977 road casualties indicating risks of injury to road users in relation to vehicles involved

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