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

Couillard,…

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

…

1989
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Long term changes in the acidity of forest soils in north east Scotland

Billett, M.…

1988
Effects of nitrogen dioxide on biochemical and physiological characteristics of soybean.

Sabaratnam…

1988
Detection of manganese deficiency and toxicity in plants. Manganese in soils and plants

Hannam, R.…

1988
The response of the feather moss, pleurozium-schreberi, to 5 years of simulated acid precipitation in the canadian boreal forest

Hutchison,…

1988
Determination of plant-available soil manganese

Reisenauer…

1988