| Title | Authors | Year | 
|---|---|---|
| Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese | 
                               Garg, V. K…  | 
                                                                                        1989 | 
| Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis | 
                               Garg, V. K…  | 
                                                                                        1989 | 
| Forest decline and Air Pollution | 
                               Schulze, E.…  | 
                                                                                        1989 | 
| Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests | 
                               Tyler, G.…  | 
                                                                                        1989 | 
| Lead hazards to fish, wildlife and invertebrates: a synoptic review | 
                               Eisler, R…  | 
                                                                                        1989 | 
| Response of blueberry species to excessive manganese | 
                               Korcak, R.…  | 
                                                                                        1988 | 
| Environmental Health Criteria 81 Vanadium | 
                               WHO,  | 
                                                                                        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 | 
| Determination of plant-available soil manganese | 
                               Reisenauer…  | 
                                                                                        1988 |