| Title | Authors | Year |
|---|---|---|
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
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 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Deposition of atmospheric pollutants on forests |
Fowler, D… |
1989 |
| Effects of cadmium and PCBs on reproduction of the sea star Asterias rubens: aberrations in the early development |
Besten, P.… |
1989 |
| Peat acidification in Scotland |
Skiba, U.;… |
1989 |
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |
| Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test |
Kühn, R ;… |
1989 |