| 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 yield of winter cereals exposed to sulphur dioxide under field conditions. |
McLeod, A.R… |
1991 |
| Bryophytes and Nutrient Cycling |
Brown, D.H… |
1990 |
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| The effect of air quality on tree growth. |
Lee, H.S.J… |
1990 |
| Boron hazards to fish, wildlife, and invertebrates: a synoptic review |
Eisler, R… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Acidic Deposition, its nature and impacts, Glasgow Conference Abstracts |
Caporn, S.J… |
1990 |
| Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century |
Arts, G.H.P… |
1990 |