| Title | Authors | Year | 
|---|---|---|
| Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development | 
                               Corraddi, M…  | 
                                                                                        1993 | 
| The exchange of ammonia between the atmosphere and plant communities. | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). | 
                               Griffiths,…  | 
                                                                                        1993 | 
| Reproduction in two submersed macrophytes declines progressively at low pH. | 
                               Titus, J.E…  | 
                                                                                        1993 | 
| The effects of dust on vegetation - a review | 
                               Farmer, A.M…  | 
                                                                                        1993 | 
| Air Pollution and Tree Health in the United Kingdom | 
                               DOE, .  | 
                                                                                        1993 | 
| North Sea quality status report 1993 | 
                               OSPARCOM,…  | 
                                                                                        1993 | 
| The Deposition of Atmospheric Ammonia and Its Effects on Plants | 
                               Pearson, J…  | 
                                                                                        1993 | 
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation | 
                               Faafeng, B…  | 
                                                                                        1993 | 
| Diet and Habitat Use of the Dotterel Charadrius-Morinellus in Scotland | 
                               Galbraith,…  | 
                                                                                        1993 |