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

UNECE, .…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Effect of vanadium on the growth of soybean seedlings

Wang, J ;…

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

Hill, M.O…

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

Francez, A.…

1999
Chemistry of Atmospheres

Wayne, R.P…

1999
Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia

Reimer, P.…

1999
Leaf injury characteristics of grassland species exposed to ozone in relation to soil moisture condition and vapour pressure deficit.

Bungener, P…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

1999