| Title | Authors | Year |
|---|---|---|
| Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves. |
Hove, L.W.A… |
1991 |
| The Distribution and Breeding Site Characteristics of Newts in Cumbria, England. |
Denton, J.S… |
1991 |
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids |
Buhl, K. J… |
1990 |
| Large Lakes: ecological structure and function |
Kilham, S.S… |
1990 |
| The variation in the acidity of ground and surface waters in Northern Ireland |
Jordan, C… |
1990 |
| Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects |
McNeill, S… |
1990 |
| Wildlife toxicology |
Hoffman, D.… |
1990 |
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
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 |