| Title | Authors | Year |
|---|---|---|
| Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen |
Pitcairn, C… |
1991 |
| Uptake, accumulation and translocation of arsenate in arsenate-tolerant and non-tolerant Holcus lanatus L. | Meharg, A. A… | 1991 |
| Environmental Health Criteria 125 Platinum |
WHO, |
1991 |
| Effects of ionising radiation on aquatic organisms |
National… |
1991 |
| Air pollution and agriculture |
Ashmore, M.… |
1991 |
| Influence of HN3 and (HN4)2 SO4 on heathland vegetation |
Van der… |
1991 |
| The yield of winter cereals exposed to sulphur dioxide under field conditions. |
McLeod, A.R… |
1991 |
| Forestry and soil protection in the UK |
Moffatt, A.… |
1991 |
| Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves. |
Hove, L.W.A… |
1991 |
| Mechansims of adaptions of plants to acid soils |
Marschner,… |
1991 |