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

Couillard,…

1989
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989
Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest.

Steubing, L…

1989
The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes

Yang, J. S…

1989
Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations

HMSO,

 		1989
Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis

Garg, V. K…

1989
Simulation of the long-term soil response to acid deposition in various buffer ranges

Vries, W.;…

1989