Authors
A. Fedorkov
Institute of Biology, Komi Science Center, Russian Academy of Sciences, 167982, Kommunist. st., 28,, Syktyvkar, Russian Federation
D. Lindgren
Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umeå, Sweden
A. David
Department of Forestry, North Central Research and Outreach Center, University of Minnesota, 1861 Highway 169, East Grand Rapids, USA