| Title | Authors | Year | 
|---|---|---|
| Effects of ammonia emission on epiphytic lichen vegetation | 
                               DeBakker, A…  | 
                                                                                        1989 | 
| Simulation of the long-term soil response to acid deposition in various buffer ranges | 
                               Vries, W.;…  | 
                                                                                        1989 | 
| Environmental Health Criteria 85 Lead- Environmental Aspects | 
                               WHO,  | 
                                                                                        1989 | 
| Peat acidification in Scotland | 
                               Skiba, U.;…  | 
                                                                                        1989 | 
| The acidification of Scottish lochs | 
                               Battarbee,…  | 
                                                                                        1989 | 
| Effects of nitrogen dioxide on biochemical and physiological characteristics of soybean. | 
                               Sabaratnam…  | 
                                                                                        1988 | 
| Long term changes in the acidity of forest soils in north east Scotland | 
                               Billett, M.…  | 
                                                                                        1988 | 
| Quantitative Assessment of Worldwide Contamination of Air, Water, and Soils by Trace Metals | 
                               Nriagu, J.O…  | 
                                                                                        1988 | 
| Lake Acidification in the United Kingdom 1800-1986 | 
                               Battarbee,…  | 
                                                                                        1988 | 
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles | 
                               Dijk, H.F.G…  | 
                                                                                        1988 |