| Title | Authors | Year | 
|---|---|---|
| Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house. | 
                               …  | 
                                                                                        1989 | 
| Effects of ammonia emission on epiphytic lichen vegetation | 
                               DeBakker, A…  | 
                                                                                        1989 | 
| Environmental Health Criteria 85 Lead- Environmental Aspects | 
                               WHO,  | 
                                                                                        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 | 
| Response of blueberry species to excessive manganese | 
                               Korcak, R.…  | 
                                                                                        1988 | 
| Effects of nitrogen dioxide on biochemical and physiological characteristics of soybean. | 
                               Sabaratnam…  | 
                                                                                        1988 | 
| Understanding the Pollution Sensitivity of Lichens | 
                               Richardson…  | 
                                                                                        1988 | 
| Urban distribution of Rhytisma acerinum (Pers.) Fries (tar spot) on sycamore | 
                               Leith, I.D…  | 
                                                                                        1988 | 
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles | 
                               Dijk, H.F.G…  | 
                                                                                        1988 |