| Title | Authors | Year |
|---|---|---|
| Differential effects of ammonium nitrate on three heathland species |
De Graaf, M… |
1998 |
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring |
Dobben, H.F… |
1998 |
| Nitrogen deposition and ectomycorhizas |
Wallenda, T… |
1998 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, M… |
1998 |
| Assessment of Cd, Pb and Zn contamination in roadside soils and grasses from Gipuzkoa (Spain) |
Garcia, R… |
1998 |
| Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability |
Sutton, M.A… |
1998 |
| Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands |
Veer, M.A.C… |
1998 |
| Environmental effects of ozone depletion: 1998 assessment |
UNEP, |
1998 |
| A review of boron effects in the environment |
Howe, P. D… |
1998 |
| Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories |
IPCC, ;… |
1997 |