| Title | Authors | Year |
|---|---|---|
| A global assessment of natural sources of atmospheric trace metals |
Nriagu, J.O… |
1989 |
| Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980 |
Dignon, J… |
1989 |
| Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests |
Tyler, G.… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
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 |
| Fertilization in a mature Scots pine (Pinus-sylvestris l) stand - effects on fine roots |
Ahlstrom, K… |
1988 |
| Evaluation of the Montsouris series of ozone measurements made in the nineteenth century |
Volz, A.;… |
1988 |
| Ecological Change in the Uplands |
Ratcliffe,… |
1988 |