| Title | Authors | Year | 
|---|---|---|
| Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. | 
                               Hawksworth…  | 
                                                                                        1989 | 
| The acidification of Scottish lochs | 
                               Battarbee,…  | 
                                                                                        1989 | 
| Unifying nutrient-chlorophyll relationships in lakes. | 
                               Prairie, Y.…  | 
                                                                                        1989 | 
| Indigenous and cultivated plants as bioindicators | 
                               Weinstein,…  | 
                                                                                        1989 | 
| Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest. | 
                               Steubing, L…  | 
                                                                                        1989 | 
| Long term changes in the acidity of forest soils in north east Scotland | 
                               Billett, M.…  | 
                                                                                        1988 | 
| Response of blueberry species to excessive manganese | 
                               Korcak, R.…  | 
                                                                                        1988 | 
| Lake Acidification in the United Kingdom 1800-1986 | 
                               Battarbee,…  | 
                                                                                        1988 | 
| Environmental Health Criteria 81 Vanadium | 
                               WHO,  | 
                                                                                        1988 | 
| Detection of manganese deficiency and toxicity in plants. Manganese in soils and plants | 
                               Hannam, R.…  | 
                                                                                        1988 |