| Title | Authors | Year | 
|---|---|---|
| The effect of external stress and disturbance factors on Calluna dominated heathland vegetation. | 
                               Berdowski,…  | 
                                                                                        1993 | 
| The decrease of rich fen Bryophytes in the Netherlands. | 
                               Kooijman, A…  | 
                                                                                        1992 | 
| Halogen emissions from coal combustion | 
                               Sloss, L.L…  | 
                                                                                        1992 | 
| Acid Soil and Acid Rain | 
                               Kennedy, I.…  | 
                                                                                        1992 | 
| Large-scale air pollution monitoring using lichens | 
                               Seaward, M.…  | 
                                                                                        1992 | 
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria | 
                               Beattie, R.…  | 
                                                                                        1992 | 
| Bryophytes and Lichens in a Changing Environment. | 
                               Bates, J.W…  | 
                                                                                        1992 | 
| A Review of the Likely Causal Pathways Relating the Reduced Density of Breeding Dippers Cinclus-Cinclus to the Acidification of Upland Streams | 
                               Tyler, S.J…  | 
                                                                                        1992 | 
| Measurement of Dry Deposition Velocities of NH3, and NH4+ over Natural Terrains | 
                               Duyzer, J.H…  | 
                                                                                        1992 | 
| Use of a field release system to distinguish the effects of dose and concentration of sulphur dioxide on winter barley. | 
                               Colls, J.J…  | 
                                                                                        1992 |