| Title | Authors | Year |
|---|---|---|
| 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 |
| Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. |
Hawksworth… |
1989 |
| Peat acidification in Scotland |
Skiba, U.;… |
1989 |
| Quantitative Assessment of Worldwide Contamination of Air, Water, and Soils by Trace Metals |
Nriagu, J.O… |
1988 |
| Modelled historical concentrations and depositions of ammonia and ammonium in Europe |
Asman, W.A.… |
1988 |
| Nitrogen and carbon isotope ratios in seabird rookeries and their ecological implications |
Mizutani, H… |
1988 |
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles |
Dijk, H.F.G… |
1988 |
| Environmental Health Criteria 61 Chromium |
WHO, |
1988 |