| Title | Authors | Year | 
|---|---|---|
| Air pollution and agriculture | 
                               Ashmore, M.…  | 
                                                                                        1991 | 
| Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3. | 
                               Adaros, G…  | 
                                                                                        1991 | 
| Wildlife toxicology | 
                               Hoffman, D.…  | 
                                                                                        1990 | 
| Mechanism of toxicity of zinc to the marine diatom Nitzschia closterium | 
                               Stauber, J…  | 
                                                                                        1990 | 
| Toxicity of heavy metals to brine shrimp Artemia. | 
                               Gajbhiye, S…  | 
                                                                                        1990 | 
| Effects of nitrogen dioxide pollution on the growth of 3 fern species. | 
                               Ashenden, T…  | 
                                                                                        1990 | 
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids | 
                               Buhl, K. J…  | 
                                                                                        1990 | 
| The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". | 
                               Cape, J.N…  | 
                                                                                        1990 | 
| Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments | 
                               Elser, J.J…  | 
                                                                                        1990 | 
| Large Lakes: ecological structure and function | 
                               Kilham, S.S…  | 
                                                                                        1990 |