Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'SIGISMUND DUMA', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1
    The Impact of Mining Activity upon the Aquatic Environment in the Southern Apuseni Mountains

    The Impact of Mining Activity upon the Aquatic Environment in the Southern Apuseni Mountains gan SIGISMUND DUMA

    Cyhoeddwyd 2009-01-01
    Cael y testun llawn
    Erthygl
  2. 2
    Impact of Mining Activity upon Environment in Roşia Montană

    Impact of Mining Activity upon Environment in Roşia Montană gan SIGISMUND DUMA

    Cyhoeddwyd 2008-01-01
    Cael y testun llawn
    Erthygl

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