Title Authors Year
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Lichen Physiology and Air-Pollution .2. Statistical-Analysis of the Correlation between SO2, NO2, NO and O3, and Chlorophyll Content, Net Photosynthesis, Sulfate Uptake and Protein- Synthesis of Parmelia-Sulcata Taylor

Von Arb, C…

1990
Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century

Arts, G.H.P…

1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)

Dueck, T.A…

1990
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test

Kühn, R ;…

1989
Peat acidification in Scotland

Skiba, U.;…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

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