| 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 zinc and copper on growth and metal accumulation in duckweed, Lemna minor | 
                               Dirilgen, N…  | 
                                                                                        1994 | 
| Nitrous oxide from agriculture | 
                               Granli, T…  | 
                                                                                        1994 | 
| The effect of zinc powder on the growth of the unicellular alga Selenastrum capricornutum | 
                               Van Woensel…  | 
                                                                                        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 | 
| The Influence of Carbon Dioxide or Ozone Concentration on Growth and Assimilate Partitioning in Seedlings of Nine Conifers. | 
                               Mortensen,…  | 
                                                                                        1994 | 
| Atlas of the Bryophytes | 
                               Hill, M.;…  | 
                                                                                        1994 | 
| The effects of various platinum metal species on the water plant Eichhornia crassipes (MART.). Solms. | 
                               Farago, M.…  | 
                                                                                        1994 |