| Title | Authors | Year |
|---|---|---|
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes |
Goulding, K… |
1998 |
| Ammonia: emission, atmospheric transport and deposition |
Asman, W.A.… |
1998 |
| The nitrogen content of upland rivers in Britain: the significance of organic N |
Chapman, P.… |
1998 |
| Sensitive bioassays for risk assessment of contaminated soils |
Vaughan, G… |
1998 |
| Long-term decline in the thickness of eggshells of thrushes, Turdus spp., in Britain |
Green, R.E… |
1998 |
| A review of boron effects in the environment |
Howe, P. D… |
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 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, M… |
1998 |