| Title | Authors | Year |
|---|---|---|
| A global assessment of natural sources of atmospheric trace metals |
Nriagu, J.O… |
1989 |
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations |
HMSO, |
1989 |
| Simulation of the long-term soil response to acid deposition in various buffer ranges |
Vries, W.;… |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
1989 |
| The acidification of Scottish lochs |
Battarbee,… |
1989 |
| Long term changes in the acidity of forest soils in north east Scotland |
Billett, M.… |
1988 |
| Determination of plant-available soil manganese |
Reisenauer… |
1988 |
| Lake Acidification in the United Kingdom 1800-1986 |
Battarbee,… |
1988 |
| Ecological Change in the Uplands |
Ratcliffe,… |
1988 |
| Environmental Health Criteria 61 Chromium |
WHO, |
1988 |