| Title | Authors | Year | 
|---|---|---|
| Air pollution increases Aphis fabae pest potential | 
                               Dohmen, G.P…  | 
                                                                                        1984 | 
| Physiological effects of hydrogen, aluminum, and manganese toxicities in acid soil. | 
                               Foy, C.D.…  | 
                                                                                        1984 | 
| The effects of SO2 on photosynthesis and carbohydrate transfer in the two Lichens: Collema polycarpon and Parmelia chlorochroa. | 
                               Fields, R.D…  | 
                                                                                        1984 | 
| Effects of SO2 on light-modulated enzyme reactions | 
                               Alscher, R…  | 
                                                                                        1984 | 
| Mycorrhizal fungi of Betula spp.: factors affecting their occurrence | 
                               Mason, P.A…  | 
                                                                                        1984 | 
| Key to the Common Plant Communities of Scotland | 
                               Robertson,…  | 
                                                                                        1984 | 
| Ambient Water Quality Criteria for copper | 
                               EPA, US  | 
                                                                                        1984 | 
| Foliage damage in coniferous trees following volcanic ashfall from Mt. St. Helens. | 
                               Seymour, V.…  | 
                                                                                        1983 | 
| Toxicity and tolerance in the responses of plants to metals | 
                               Woolhouse,…  | 
                                                                                        1983 | 
| Impact of acidification and eutrophication on macrophyte communities in soft waters in the Netherlands | 
                               Roelofs, J.…  | 
                                                                                        1983 |