Title Authors Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation

Faafeng, B…

1993
Halogen emissions from coal combustion

Sloss, L.L…

1992
The decrease of rich fen Bryophytes in the Netherlands.

Kooijman, A…

1992
The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria

Beattie, R.…

1992
Decline of Charophytes During Eutrophication - Comparison with Angiosperms

Blindow, I…

1992
Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas.

Baxter, R…

1992
Environmental Health Criteria 135 Cadmium - Environmental Aspects

WHO,

 		1992
Changes in the Duch bryophyte flora and air pollution

Greven, H.C…

1992
Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd.

Hallbdcken…

1992
Effects of Ionising Radiation on Plants and Animals at levels implied by Current Radiation Protection Standards

IAEA,

 		1992