?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nilsson%2C+S.&rft.aulast=Nilsson&rft.aufirst=S.&rft.date=1995&rft.isbn=951-40-1484-7&rft.title=Boreal+forests%3A+The+role+of+research&rft.genre=proceeding