| Title | Authors | Year | 
|---|---|---|
| Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test | 
                               Kühn, R ;…  | 
                                                                                        1989 | 
| A global assessment of natural sources of atmospheric trace metals | 
                               Nriagu, J.O…  | 
                                                                                        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 | 
| Peat acidification in Scotland | 
                               Skiba, U.;…  | 
                                                                                        1989 | 
| Quantitative Assessment of Worldwide Contamination of Air, Water, and Soils by Trace Metals | 
                               Nriagu, J.O…  | 
                                                                                        1988 | 
| Detection of manganese deficiency and toxicity in plants. Manganese in soils and plants | 
                               Hannam, R.…  | 
                                                                                        1988 | 
| The influence of altitude on rainfall composition at Great Dun Fell | 
                               Fowler, D…  | 
                                                                                        1988 | 
| Environmental Health Criteria 61 Chromium | 
                               WHO,  | 
                                                                                        1988 | 
| Determination of plant-available soil manganese | 
                               Reisenauer…  | 
                                                                                        1988 |