| Title | Authors | Year |
|---|---|---|
| Salt-Marsh Processes - a Review |
Vernberg, F… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |
| Effects of acidic gases and mists on the reproductive capability of 3 fern species |
Lawrence, P… |
1993 |
| Sphagnum species and polluted environments, past and future |
Lee, J.A.;… |
1993 |
| SSSIs in England at risk from acid rain |
Bissett, K… |
1993 |
| Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales |
Stevens, P.… |
1993 |
| Review of the impact of current and future acid deposition in Wales |
Reynolds, B… |
1993 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
1993 |
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |
| Critical Loads - Concepts and Applications |
Cresser, M.… |
1993 |