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
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
Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house.

…

1989
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test

Kühn, R ;…

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
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989