%0 Research article %T Impact and productivity of harvesting while retaining young understorey spruces in final cutting of downy birch (Betula pubescens) %A Niemistö, Pentti %A Korpunen, Heikki %A Laurén, Ari %A Salomäki, Marika %A Uusitalo, Jori %D 2012 %J Silva Fennica %V 46 %N 1 %R doi:10.14214/sf.67 %U https://silvafennica.fi/article/67 %X