Search Results - Roll-Hansen, Helga

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  1. 1
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    Catalogue of the culture collection of the Norwegian Forest Research Institute Section of Forest Pathology
    by Roll-Hansen, Finn, Roll-Hansen, Helga

    Published 1982
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  2. 2
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    Forest tree diseases I - III: Text for the film strips
    by Roll-Hansen, Finn, Roll-Hansen, Helga

    Published 1976
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  3. 3
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    Root wound infection of Picea abies at three localities in southern Norway: = Rotsårinfeksjon av gran på tre lokaliteter i Sør-Norge
    by Roll-Hansen, Finn 1906-1997, Roll-Hansen, Helga 1912-2011

    Published 1981
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    Faktisk talt: statistikkens historie i Norge
    by Lie, Einar 1965-, Roll-Hansen, Helga 1912-2011

    Published 2001
    Order via interlibrary loan
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  5. 5
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    Potebniamyces coniferarum: literature review ; occurence on Larix russica in Iceland = Douglaskreftsoppen
    by Roll-Hansen, Finn 1906-1997, Roll-Hansen, Helga 1912-2011

    Published 1971
    Order via interlibrary loan
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