| Title | Authors | Year | 
|---|---|---|
| The variation of calcium, magnesium, sodium and potassium concentration, pH and conductivity in lakes in Northern Ireland. | 
                               Rippey, B…  | 
                                                                                        1984 | 
| Diatom analysis and the acidification of lakes | 
                               Battarbee,…  | 
                                                                                        1984 | 
| Ambient Water Quality Criteria for copper | 
                               EPA, US  | 
                                                                                        1984 | 
| Physiological effects of hydrogen, aluminum, and manganese toxicities in acid soil. | 
                               Foy, C.D.…  | 
                                                                                        1984 | 
| Effects of SO2 on light-modulated enzyme reactions | 
                               Alscher, R…  | 
                                                                                        1984 | 
| Uptake of arsenic and mercury from soil by Bermuda grass Cynodon dactylon | 
                               Weaver, R.…  | 
                                                                                        1984 | 
| Key to the Common Plant Communities of Scotland | 
                               Robertson,…  | 
                                                                                        1984 | 
| Effects of acidic deposition on forest soils and vegetation | 
                               Abrahamsen…  | 
                                                                                        1984 | 
| The effects of SO2 on photosynthesis and carbohydrate transfer in the two Lichens: Collema polycarpon and Parmelia chlorochroa. | 
                               Fields, R.D…  | 
                                                                                        1984 | 
| Acid rain: an overview | 
                               Gorham, E…  | 
                                                                                        1984 |