| Title | Authors | Year | 
|---|---|---|
| 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 | 
| A global assessment of natural sources of atmospheric trace metals | Nriagu, J.O… | 1989 | 
| Effects of ammonia emission on epiphytic lichen vegetation | DeBakker, A… | 1989 | 
| Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis | Garg, V. K… | 1989 | 
| Lead hazards to fish, wildlife and invertebrates: a synoptic review | Eisler, R… | 1989 | 
| Peat acidification in Scotland | Skiba, U.;… | 1989 | 
| Indigenous and cultivated plants as bioindicators | Weinstein,… | 1989 | 
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 | HMSO, | 1989 | 
| The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes | Yang, J. S… | 1989 |