Title Authors Year
A regression model for nitrate leaching in Northern Ireland.

Smith, R.V…

1989
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
Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis

Garg, V. K…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Lead hazards to fish, wildlife and invertebrates: a synoptic review

Eisler, R…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

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

HMSO,

 		1989