Title Authors Year
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification

Beebee, T.J…

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

Buhl, K. J…

1990
The difficulties of abating smoke in Late Victorian York

Bowler, C…

1990
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Water and the Environment. Circular 7/89

Department…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

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

HMSO,

 		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