Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Vasarhelyi, Pal', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    DARE Unesco computerized data retrieval system for documentation in the social and human sciences (including an analysis of the present system) gan Vasarhelyi, Pal

    Cyhoeddwyd 1972
    Llyfr

    DARE Unesco computerized data retrieval system for documentation in the social and human sciences (including an analysis of the present system)

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