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

Billett, M.…

1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.

Oenema, O…

1990
Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century

Arts, G.H.P…

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

Garansson,…

1990
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
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
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
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989