| Title | Authors | Year | 
|---|---|---|
| Indigenous and cultivated plants as bioindicators | 
                               Weinstein,…  | 
                                                                                        1989 | 
| Acid rain and eggshells | 
                               Drent, P.J…  | 
                                                                                        1989 | 
| Effects of ammonia emission on epiphytic lichen vegetation | 
                               DeBakker, A…  | 
                                                                                        1989 | 
| Acidification and Otter (Lutra lutra) Distribution in Scotland | 
                               Mason, C.F…  | 
                                                                                        1989 | 
| A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture | 
                               Adema, D ;…  | 
                                                                                        1989 | 
| Long term changes in the acidity of forest soils in north east Scotland | 
                               Billett, M.…  | 
                                                                                        1988 | 
| Understanding the Pollution Sensitivity of Lichens | 
                               Richardson…  | 
                                                                                        1988 | 
| Lake Acidification in the United Kingdom 1800-1986 | 
                               Battarbee,…  | 
                                                                                        1988 | 
| Urban distribution of Rhytisma acerinum (Pers.) Fries (tar spot) on sycamore | 
                               Leith, I.D…  | 
                                                                                        1988 | 
| Assessing the impact of deep sea disposal of low level radioactive waste on living resources | 
                               IAEA,  | 
                                                                                        1988 |