| Title | Authors | Year | 
|---|---|---|
| Effects of cadmium and PCBs on reproduction of the sea star Asterias rubens: aberrations in the early development | 
                               Besten, P.…  | 
                                                                                        1989 | 
| Environmental Health Criteria 86 Mercury- Environmental Aspects | 
                               WHO,  | 
                                                                                        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 | 
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations | 
                               HMSO,  | 
                                                                                        1989 | 
| Effects of ammonia emission on epiphytic lichen vegetation | 
                               DeBakker, A…  | 
                                                                                        1989 | 
| Acid rain and eggshells | 
                               Drent, P.J…  | 
                                                                                        1989 | 
| Forest decline and Air Pollution | 
                               Schulze, E.…  | 
                                                                                        1989 |