| Title | Authors | Year | 
|---|---|---|
| On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition | 
                               Ross, H.B…  | 
                                                                                        1990 | 
| Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century | 
                               Arts, G.H.P…  | 
                                                                                        1990 | 
| Wildlife toxicology | 
                               Hoffman, D.…  | 
                                                                                        1990 | 
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. | 
                               Huettl, R.F…  | 
                                                                                        1990 | 
| Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. | 
                               Houlden, G…  | 
                                                                                        1990 | 
| Sediment chemistry and atmospheric contamination | 
                               Rippey, B…  | 
                                                                                        1990 | 
| Forest soil chemical changes between 1949-50 and 1987 | 
                               Billett, M.…  | 
                                                                                        1990 | 
| The difficulties of abating smoke in Late Victorian York | 
                               Bowler, C…  | 
                                                                                        1990 | 
| The variation in the acidity of ground and surface waters in Northern Ireland | 
                               Jordan, C…  | 
                                                                                        1990 | 
| Cation-exchange properties and adaptation to soil acidity in bryophytes | 
                               Buscher, P…  | 
                                                                                        1990 |