Title Authors Year
Persistent organic pollutants (POPS); state of the science

Jones, K.C…

1999
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
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems

Wilson, E.J…

1999
Effect of vanadium on the growth of soybean seedlings

Wang, J ;…

1999
Environmental impacts of forest monocultures: water use, acidification, wildlife conservation and carbon storage.

Cannell, M.…

1999
Chemistry of Atmospheres

Wayne, R.P…

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

Francez, A.…

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

Van Dobben…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

1999