| Title | Authors | Year |
|---|---|---|
| The nitrogen content of upland rivers in Britain: the significance of organic N |
Chapman, P.… |
1998 |
| Water and solute fluxes in dry coastal dune grasslands. The effects of grazing and increased nitrogen deposition |
Harkel, M.J… |
1998 |
| Effects of simulated N deposition on understorey vegetation of a boreal coniferous forest. |
Nordin, A… |
1998 |
| Nitrogen deposition and ectomycorhizas |
Wallenda, T… |
1998 |
| Workshop on critical limits and effects based approaches for heavy metals and persistent organic pollutants |
Pollution,… |
1998 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, M… |
1998 |
| Urban Air Pollution and Cardiopulmonary Ill-Health - A 14.5 Year Time Series Study |
Prescott, G… |
1998 |
| A new inventory for ammonia emissions from U.K. agriculture |
Pain, B.F… |
1998 |
| Boron, zinc iron and managanese content in four grassland species |
Adarve, M.… |
1998 |
| Environmental Health Criteria 200 Copper |
WHO, |
1998 |