Title Authors Year
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales

Van Dobben…

1999
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)

Francez, A.…

1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

1999
Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany.

Wöllecke, J…

1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.

Van Dobben…

1999
The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites

Williams, B…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Protocol to abate acidification, eutrophication and ground-level ozone.

UNECE, .…

1999
Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions

González, A…

1999