1. Nitrate concentrations in soil water below Danish forests;Callesen;Forest Ecology and Management,1998
2. Effects of acid deposition on 150 forest stands in the Netherlands. 3. Input output budgets for sulphur, nitrogen, base cations and aluminium;De Vries;Wageningen, the Netherlands, DLO-Winand Staring Centre for Integrated Land, Soil and Water Research, Report 69.2,1994
3. Effects of acid deposition on 150 forest stands in the Netherlands. 1. Chemical composition of the humus layer, mineral soil and soil solution;De Vries;Wageningen, the Netherlands, DLO Winand Staring Centre for Integrated Land, Soil and Water Research, Report 69.x,1998
4. Impacts of acid atmospheric deposition on concentrations and fluxes of solutes in Dutch forest soils;De Vries;Geoderma,1995
5. Nitrogen leaching from European forests in relation to nitrogen deposition;Dise;Forest Ecology and Management,1995