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Genetic parameters for spiral-grain angle in two 19-year-old clonal Norway spruce trials

Björn Hannrup, Michael Grabner, Bo Karlsson, Ulrich Müller, Sabine Rosner, Lars Wilhelmsson and Rupert Wimmer

Ann. For. Sci., 59 5-6 (2002) 551-556

DOI: https://doi.org/10.1051/forest:2002040

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