Title Authors Year
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998
Arsenic in wetland vegetation: Availability, phytotoxicity, uptake and effects on plant growth and nutrition

Carbonell,…

1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation

Bobbink, R…

1998
Nitrogen deposition and ectomycorhizas

Wallenda, T…

1998
The effect of air pollution from nitrogen dioxide (NO2) on epiphytic lichens in Seville, Spain.

Funetes, J.…

1998
Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones

Barnes, J…

1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands

Veer, M.A.C…

1998
Environmental effects of ozone depletion: 1998 assessment

UNEP,

 		1998
A new inventory for ammonia emissions from U.K. agriculture

Pain, B.F…

1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment

Risager, M…

1998