| Title | Authors | Year | 
|---|---|---|
| Acid deposition: its nature and impacts | 
                               Last, F.T…  | 
                                                                                        1991 | 
| Acidic deposition: its nature and impacts | 
                               Last, F.T…  | 
                                                                                        1991 | 
| Bryophytes and Nutrient Cycling | 
                               Brown, D.H…  | 
                                                                                        1990 | 
| The effects of sulphur dioxide on the parasitism of the rust fungus Uromyces viciae-fabae on Vicia faba. | 
                               Lorenzini,…  | 
                                                                                        1990 | 
| Mechanism of toxicity of zinc to the marine diatom Nitzschia closterium | 
                               Stauber, J…  | 
                                                                                        1990 | 
| Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers | 
                               Weigel, H.J…  | 
                                                                                        1990 | 
| The effect of air quality on tree growth. | 
                               Lee, H.S.J…  | 
                                                                                        1990 | 
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. | 
                               Kreiser, A.…  | 
                                                                                        1990 | 
| Boron hazards to fish, wildlife, and invertebrates: a synoptic review | 
                               Eisler, R…  | 
                                                                                        1990 | 
| Fine Root Studies in situ and in the Laboratory. | 
                               Wollmer, H…  | 
                                                                                        1990 |