| Title | Authors | Year |
|---|---|---|
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
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 |
| Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house. |
… |
1989 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Environmental Health Criteria 85 Lead- Environmental Aspects |
WHO, |
1989 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 |
HMSO, |
1989 |