TY - Generic T1 - Nutrient balance in Scots Pine Forest I: Design of experiments Y1 - 1995 A1 - Abrahamsen, G. A1 - Erstad, K.J. JF - Water, Air and Soil Pollution VL - 85 ER - TY - JOUR T1 - Effects of acidic deposition on forest soils and vegetation JF - Philosophical Transactions of the Royal Society of London B Y1 - 1984 A1 - Abrahamsen, G. VL - 305 ER -