| Title | Authors | Year | 
|---|---|---|
| Impact of agriculture on epiphytic lichens at Plym free, E Devon | 
                               Benfield, B…  | 
                                                                                        1994 | 
| Acid Rain and its Impact: The Critical Loads Debate | 
                               Hornung, M…  | 
                                                                                        1994 | 
| Effects of ozone on interactions between plants, consumers and decomposers. | 
                               Jones, C.G…  | 
                                                                                        1994 | 
| Interactions between exposure to O3 and nutrient uptake, growth, mycorrhizal and needle ultra-structure. | 
                               Rantanen, L…  | 
                                                                                        1994 | 
| Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata | 
                               Gaur, J. P…  | 
                                                                                        1994 | 
| Effect of different forms and sources of arsenic crop yield and arsenic concentration | 
                               Jiang, Q ;…  | 
                                                                                        1994 | 
| Atlas of the Bryophytes | 
                               Hill, M.;…  | 
                                                                                        1994 | 
| Critical levels for ozone; a UNECE workshop report | 
                               Fuhrer, J…  | 
                                                                                        1994 | 
| Critical Loads of Acidity in the United Kingdom | 
                               UKCLAG,  | 
                                                                                        1994 | 
| Scotland's soils: Research issues in developing a soil sustainability strategy | 
                               Billett, M.…  | 
                                                                                        1994 |