• Foreløpige meddelelser fra kartbladet Essandsjø. 

      Bjørlykke, Unni (NGU (223), Journal article, 1963)
      A symposis is given of 4-5 weeks of field work in the Sylene area, Sør-Trøndelag, Norway, in the eastern part of the Cambro-Silurian geosyncline of Trondhjemsfeltet. Previous investigations are reffered to. The rocks in ...