| Title | Authors | Year | 
|---|---|---|
| Environmental Health Criteria 86 Mercury- Environmental Aspects | 
                               WHO,  | 
                                                                                        1989 | 
| Indigenous and cultivated plants as bioindicators | 
                               Weinstein,…  | 
                                                                                        1989 | 
| Acid rain and eggshells | 
                               Drent, P.J…  | 
                                                                                        1989 | 
| Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis | 
                               Garg, V. K…  | 
                                                                                        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 | 
| Lead hazards to fish, wildlife and invertebrates: a synoptic review | 
                               Eisler, R…  | 
                                                                                        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 | 
| Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test | 
                               Kühn, R ;…  | 
                                                                                        1989 |