Title Authors Year
Mapping of ammonia pollution with epiphytic lichens in the Netherlands

Van Herk, C…

1999
Estimating the uptake of traffic-derived NO2 from N-15 abundance in Norway spruce needles

Ammann, M…

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

Freitas, M…

1999
Environmental chemistry: End of acid reign?

Jenkins, A…

1999
Persistent organic pollutants (POPS); state of the science

Jones, K.C…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
The resistance of the moss Polytrichum commune to acute exposure of simulated acid rain or ozone compared to two fern species: Spore germination

Bosley, A…

1999
Methane release from peat soils: effects of Sphagnum and Juncus.

Roura-Carol…

1999
Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex.

Hill, M.O…

1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales

Van Dobben…

1999