Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio '', amser ymholiad: 0.02e Mireinio'r Canlyniadau
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    Geomophology of oil and gas fields sandstone bodies. gan Conybearw, C.E.B

    Cyhoeddwyd 1976
    Llyfr

    Geomophology of oil and gas fields sandstone bodies.

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