| Title | Authors | Year |
|---|---|---|
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. |
Cape, J.N… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
1993 |
| The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales |
Farmer, A.M… |
1993 |
| Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements |
Loch, J ;… |
1993 |
| Salt-Marsh Processes - a Review |
Vernberg, F… |
1993 |
| Sphagnum species and polluted environments, past and future |
Lee, J.A.;… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Critical Loads: Concepts and Applications |
Harriman, R… |
1993 |