Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'National Research Council (U.S.). Special Committee on International Cooperative Activities', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Soils and bases : characteristics, classification, and planning 16 reports prepared for the 51st Annual Meeting.

    Cyhoeddwyd 1972
    Llyfr

    Soils and bases : characteristics, classification, and planning 16 reports prepared for the 51st Annual Meeting.

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