Title Authors Year
Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms

Couillard,…

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

Kühn, R ;…

1989
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house.

…

1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.

Ormerod, S.…

1989
Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese

Garg, V. K…

1989
Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980

Dignon, J…

1989
Forest decline and Air Pollution

Schulze, E.…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989