| Title | Authors | Year |
|---|---|---|
| Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. |
Hawksworth… |
1989 |
| A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture |
Adema, D ;… |
1989 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |
| Peat acidification in Scotland |
Skiba, U.;… |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
1989 |
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 |
HMSO, |
1989 |
| A regression model for nitrate leaching in Northern Ireland. |
Smith, R.V… |
1989 |
| Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms |
Couillard,… |
1989 |