| Title | Authors | Year |
|---|---|---|
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Acid rain and eggshells |
Drent, P.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 |
| Acidification and Otter (Lutra lutra) Distribution in Scotland |
Mason, C.F… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture |
Adema, D ;… |
1989 |
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 |
HMSO, |
1989 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes |
Yang, J. S… |
1989 |
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations |
HMSO, |
1989 |