Title Authors Year
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.

Houlden, G…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids

Buhl, K. J…

1990
Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland

Garansson,…

1990
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Water and the Environment. Circular 7/89

Department…

1989
A regression model for nitrate leaching in Northern Ireland.

Smith, R.V…

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

Yang, J. S…

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

Couillard,…

1989