• Norwegian Journal of Agricultural Sciences : silviculture for fuelwood 

      Johansson, Dr. Tord; Frivold, Lars Helge; Groven, Rune; et al. (Journal issue; Report; Others, 1996)
      Management of birch forest growing in Nordic countries is presented. Biological characteristics of the two birch species: silver birch (Betula pendula Roth) and pubesccnt birch (Betula pubescens Ehrh.) are described. Natural ...