| Title | Authors | Year | 
|---|---|---|
| Calculated rates of soil acidification of intensively used grassland in the Netherlands. | 
                               Oenema, O…  | 
                                                                                        1990 | 
| Growth Dynamics of Wheat (Triticum aestivum L.) Exposed to Sulfur Dioxide Pollution. | 
                               Lorenzini,…  | 
                                                                                        1990 | 
| Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.) | 
                               Dueck, T.A…  | 
                                                                                        1990 | 
| Bryophytes and Nutrient Cycling | 
                               Brown, D.H…  | 
                                                                                        1990 | 
| Wildlife toxicology | 
                               Hoffman, D.…  | 
                                                                                        1990 | 
| Mechanism of toxicity of zinc to the marine diatom Nitzschia closterium | 
                               Stauber, J…  | 
                                                                                        1990 | 
| Fine Root Studies in situ and in the Laboratory. | 
                               Wollmer, H…  | 
                                                                                        1990 | 
| Boron hazards to fish, wildlife, and invertebrates: a synoptic review | 
                               Eisler, R…  | 
                                                                                        1990 | 
| Phytoavailability and toxicity of beryllium and vanadium | 
                               Kaplan, D…  | 
                                                                                        1990 | 
| Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification | 
                               Beebee, T.J…  | 
                                                                                        1990 |