Title Authors Year
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
A regression model for nitrate leaching in Northern Ireland.

Smith, R.V…

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

…

1989
Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms

Couillard,…

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
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Forest decline and Air Pollution

Schulze, E.…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests

Tyler, G.…

1989