| Title | Authors | Year |
|---|---|---|
| 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 |
| The effect of air pollution from nitrogen dioxide (NO2) on epiphytic lichens in Seville, Spain. |
Funetes, J.… |
1998 |
| Long-term decline in the thickness of eggshells of thrushes, Turdus spp., in Britain |
Green, R.E… |
1998 |
| 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 |
| 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 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, M… |
1998 |