| Title | Authors | Year |
|---|---|---|
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Large Lakes: ecological structure and function |
Kilham, S.S… |
1990 |
| The difficulties of abating smoke in Late Victorian York |
Bowler, C… |
1990 |
| Cation-exchange properties and adaptation to soil acidity in bryophytes |
Buscher, P… |
1990 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house. |
… |
1989 |
| Environmental Health Criteria 85 Lead- Environmental Aspects |
WHO, |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
1989 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 |
HMSO, |
1989 |