Title Authors Year
Long term effects of ammonium sulphate on Calluna vulgaris

Uren, S.C…

1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective

Hessen, D.O…

1997
Air pollution and biodiversity: a review

Dudley, N…

1996
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands

Harkle, M.J…

1996
Ecophysiology of a snow-bed bryophyte Kiaeria starkei during snowmelt and uptake of nitrate from meltwater

Woolgrove,…

1996
Effect of ozone and sulphur on mycorrhizae of Pinus halepensis Mille

Dmaz, G.;…

1996
Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius

Ingersoll,…

1996
Growth variation of Scots Pine across a pollution gradient on the Kola peninsula, Russia

Nojd, P.;…

1996
Different responses to ozone of tobacco, poplar, birch and alder.

Gunthardt-…

1996
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996