| Title | Authors | Year | 
|---|---|---|
| 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 | 
| Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis | 
                               Garg, V. K…  | 
                                                                                        1989 | 
| Lead hazards to fish, wildlife and invertebrates: a synoptic review | 
                               Eisler, R…  | 
                                                                                        1989 | 
| A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture | 
                               Adema, D ;…  | 
                                                                                        1989 | 
| Surface Waters (Dangerous Substances) (Classification) Regulations No 2286 | 
                               HMSO,  | 
                                                                                        1989 | 
| The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes | 
                               Yang, J. S…  | 
                                                                                        1989 | 
| Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980 | 
                               Dignon, J…  | 
                                                                                        1989 | 
| Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese | 
                               Garg, V. K…  | 
                                                                                        1989 |