Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Petrini, Sven', amser ymholiad: 0.00e Mireinio'r Canlyniadau
  1. 1
    Elements of forest economics

    Elements of forest economics gan Petrini, Sven

    Cyhoeddwyd 1953
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  2. 2
    Calculation of the value of the soil in forestry and calculation of the financial rotation of a forest stand

    Calculation of the value of the soil in forestry and calculation of the financial rotation of a forest stand gan Petrini, Sven

    Cyhoeddwyd 1939
    Llyfr
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:

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