Search Results - Ilvessalo-Pfäffli, Marja-Sisko 1916-

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    Paperin pinnan tutkiminen varjostus- ja jäljennöstekniikalla: = (Shadowing and replica techniques in the study of paper surfaces)
    by Ilvessalo-Pfäffli, Marja-Sisko 1916-

    Published 1966
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  2. 2
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    The measurement of fibre length with a semi-automatic recorder
    by Ilvessalo-Pfäffli, Marja-Sisko 1916-, Alfthan, Georg von

    Published 1958
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