| Title | Authors | Year |
|---|---|---|
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Environmental Health Criteria 85 Lead- Environmental Aspects |
WHO, |
1989 |
| Acidification and Otter (Lutra lutra) Distribution in Scotland |
Mason, C.F… |
1989 |
| Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. |
Hawksworth… |
1989 |
| A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture |
Adema, D ;… |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
1989 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese |
Garg, V. K… |
1989 |
| Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980 |
Dignon, J… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |