| Title | Authors | Year | 
|---|---|---|
| Effects of ammonia emission on epiphytic lichen vegetation | 
                               DeBakker, A…  | 
                                                                                        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 | 
| Unifying nutrient-chlorophyll relationships in lakes. | 
                               Prairie, Y.…  | 
                                                                                        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 | 
| Environmental Health Criteria 81 Vanadium | 
                               WHO,  | 
                                                                                        1988 | 
| The influence of altitude on rainfall composition at Great Dun Fell | 
                               Fowler, D…  | 
                                                                                        1988 | 
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles | 
                               Dijk, H.F.G…  | 
                                                                                        1988 | 
| Effects of nitrogen dioxide on biochemical and physiological characteristics of soybean. | 
                               Sabaratnam…  | 
                                                                                        1988 |