Title Authors Year
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments

Elser, J.J…

1990
Large Lakes: ecological structure and function

Kilham, S.S…

1990
On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition

Ross, H.B…

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

Arts, G.H.P…

1990
Water and the Environment. Circular 7/89

Department…

1989
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
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989