| Title | Authors | Year | 
|---|---|---|
| Acidic deposition: its nature and impacts | 
                               Last, F.T…  | 
                                                                                        1991 | 
| Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation | 
                               Maitland, P…  | 
                                                                                        1991 | 
| Mechanism of toxicity of zinc to the marine diatom Nitzschia closterium | 
                               Stauber, J…  | 
                                                                                        1990 | 
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. | 
                               Kreiser, A.…  | 
                                                                                        1990 | 
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals | 
                               Muniz, I.P…  | 
                                                                                        1990 | 
| Fine Root Studies in situ and in the Laboratory. | 
                               Wollmer, H…  | 
                                                                                        1990 | 
| Sediment chemistry and atmospheric contamination | 
                               Rippey, B…  | 
                                                                                        1990 | 
| Phytoavailability and toxicity of beryllium and vanadium | 
                               Kaplan, D…  | 
                                                                                        1990 | 
| The difficulties of abating smoke in Late Victorian York | 
                               Bowler, C…  | 
                                                                                        1990 | 
| Growth, ectomycorrhizae and nonstructural carbohydrates of loblolly pine seedlings exposed to ozone and soil water defect | 
                               Meier, S.;…  | 
                                                                                        1990 |