Title Authors Year
The effects of quantity and duration of simulated pollutant nitrogen deposition on root-surface phosphatase activities in Calcareous and acid grasslands: a bioassay approach

Johnson, D…

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

Jones, K.C…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Cronartium flaccidum fruitbody production on Melampyrum spp and some important alternate hosts to pine.

Kaitera, J…

1999
Chemistry of Atmospheres

Wayne, R.P…

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

Ammann, M…

1999
Environmental chemistry: End of acid reign?

Jenkins, A…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

1999