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
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Effects of nitrogen dioxide on biochemical and physiological characteristics of soybean.

Sabaratnam…

1988
Determination of plant-available soil manganese

Reisenauer…

1988
Mortality and LC50 values for several stages of the marine copepod Trigriopus brevicornis (Müller) exposed to the metals arsenic and cadmium and the pesticides atrazine, carbofuran, dichlorovos and malathion

Forget, J…

1988
The influence of altitude on rainfall composition at Great Dun Fell

Fowler, D…

1988
Ecological Change in the Uplands

Ratcliffe,…

1988