| Title | Authors | Year |
|---|---|---|
| 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 |
| Urban Air Pollution and Cardiopulmonary Ill-Health - A 14.5 Year Time Series Study |
Prescott, G… |
1998 |
| Time-space analyses of the British lichen flora, with particular reference to air quality surveys |
Seaward, M.… |
1998 |
| National Monitoring Programme - Survey of the Quality of UK Coastal Waters |
Group,… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| River Habitat Quality |
Service,… |
1998 |
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Peroxyacetyl nitrates (PAN) and other minor pollutants |
Temple, P.J… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |