| 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 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
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 |
| Long term changes in the acidity of forest soils in north east Scotland |
Billett, M.… |
1988 |
| Condition of Scots Pine fine roots and mycorrhiza after fungicide application and low-level ozone exposure in a 2-year field experiment |
Manninen, A… |
1988 |
| Understanding the Pollution Sensitivity of Lichens |
Richardson… |
1988 |
| Urban distribution of Rhytisma acerinum (Pers.) Fries (tar spot) on sycamore |
Leith, I.D… |
1988 |
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles |
Dijk, H.F.G… |
1988 |