| Title | Authors | Year |
|---|---|---|
| Fine Root Studies in situ and in the Laboratory. |
Wollmer, H… |
1990 |
| Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. |
Houlden, G… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification |
Beebee, T.J… |
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 |
| Wildlife toxicology |
Hoffman, D.… |
1990 |
| The effects of sulphur dioxide on the parasitism of the rust fungus Uromyces viciae-fabae on Vicia faba. |
Lorenzini,… |
1990 |
| The effect of air quality on tree growth. |
Lee, H.S.J… |
1990 |
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals |
Muniz, I.P… |
1990 |