Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'D B Frog', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1
    Ecological safeguarding and normalized water use of ust-ilimsk wood-industrial complex

    Ecological safeguarding and normalized water use of ust-ilimsk wood-industrial complex gan B N Frog, D B Frog, M D Harlamova

    Cyhoeddwyd 2010-12-01
    Cael y testun llawn
    Erthygl
  2. 2
    Perfection of ecological rationing in the field of water supply and water removal of cpc (cellulose paper complex)

    Perfection of ecological rationing in the field of water supply and water removal of cpc (cellulose paper complex) gan M N Panina, D B Frog, M D Kharlamova

    Cyhoeddwyd 2010-06-01
    Cael y testun llawn
    Erthygl

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