| Title | Authors | Year |
|---|---|---|
| The variation in the acidity of ground and surface waters in Northern Ireland |
Jordan, C… |
1990 |
| Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects |
McNeill, S… |
1990 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Growth Dynamics of Wheat (Triticum aestivum L.) Exposed to Sulfur Dioxide Pollution. |
Lorenzini,… |
1990 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house. |
… |
1989 |
| Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980 |
Dignon, J… |
1989 |
| Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese |
Garg, V. K… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| Environmental Health Criteria 85 Lead- Environmental Aspects |
WHO, |
1989 |