| Title | Authors | Year |
|---|---|---|
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 |
HMSO, |
1989 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| A regression model for nitrate leaching in Northern Ireland. |
Smith, R.V… |
1989 |
| Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms |
Couillard,… |
1989 |
| The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes |
Yang, J. S… |
1989 |
| A global assessment of natural sources of atmospheric trace metals |
Nriagu, J.O… |
1989 |
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations |
HMSO, |
1989 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Simulation of the long-term soil response to acid deposition in various buffer ranges |
Vries, W.;… |
1989 |