| 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 |
| Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems |
Bobbink, R… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |
| Stratospheric Aerosol Optical Depths, 1850-1990. |
Sato, M. ;… |
1993 |
| The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales |
Farmer, A.M… |
1993 |
| Terrestrial SSSIs at risk from acidification in Scotland |
Ross, A.… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |