| Title | Authors | Year |
|---|---|---|
| Air pollution and agriculture |
Ashmore, M.… |
1991 |
| Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation |
Maitland, P… |
1991 |
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| Toxicity of heavy metals to brine shrimp Artemia. |
Gajbhiye, S… |
1990 |
| Sediment chemistry and atmospheric contamination |
Rippey, B… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". |
Cape, J.N… |
1990 |
| Effects of nitrogen dioxide pollution on the growth of 3 fern species. |
Ashenden, T… |
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 |
| The difficulties of abating smoke in Late Victorian York |
Bowler, C… |
1990 |