Haku
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The effect of temperature on height growth of Scots pine in northern Finland
(Finnish Society of Forest ScienceFinnish Forest Research InstituteFaculty of Agriculture and Forestry of the University of HelsinkiFaculty of Forestry of the University of Joensuu, 2009)
Past pollen production reconstructed from needle production in Pinus sylvestris at the northern timberline: a tool for evaluating palaeoclimate reconstructions
(Finnish Society of Forest ScienceFinnish Forest Research Institute, 2008)