| Title | Authors | Year |
|---|---|---|
| Acid rain since 1985 - times are changing |
Brydges, T.… |
1991 |
| Environmental Health Criteria 125 Platinum |
WHO, |
1991 |
| Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna |
Van der… |
1991 |
| Influence of HN3 and (HN4)2 SO4 on heathland vegetation |
Van der… |
1991 |
| Effects of ionising radiation on aquatic organisms |
National… |
1991 |
| Forestry and soil protection in the UK |
Moffatt, A.… |
1991 |
| The yield of winter cereals exposed to sulphur dioxide under field conditions. |
McLeod, A.R… |
1991 |
| Increases in soil acidity in north west Wales between 1957 and 1990 |
… |
1991 |
| Decline of ectomycorrhizal fungi in Europe. |
Arnolds, E… |
1991 |
| Uptake, accumulation and translocation of arsenate in arsenate-tolerant and non-tolerant Holcus lanatus L. | Meharg, A. A… | 1991 |