| Title | Authors | Year |
|---|---|---|
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition |
Ross, H.B… |
1990 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland |
Garansson,… |
1990 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| A regression model for nitrate leaching in Northern Ireland. |
Smith, R.V… |
1989 |
| Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms |
Couillard,… |
1989 |
| A global assessment of natural sources of atmospheric trace metals |
Nriagu, J.O… |
1989 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |