| 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 |
| Wildlife toxicology |
Hoffman, D.… |
1990 |
| Sediment chemistry and atmospheric contamination |
Rippey, B… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| The difficulties of abating smoke in Late Victorian York |
Bowler, C… |
1990 |
| The variation in the acidity of ground and surface waters in Northern Ireland |
Jordan, C… |
1990 |
| Cation-exchange properties and adaptation to soil acidity in bryophytes |
Buscher, P… |
1990 |
| Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects |
McNeill, S… |
1990 |