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

Van Herk, C…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

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
Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl

Knapton, R.…

1999
Closing the global N2O budget: a retrospective analysis 1500 - 1994

Kroeze, C…

1999
National Monitoring Programme - Survey of the Quality of UK Coastal Waters

Group,…

1998
Environmental Health Criteria 200 Copper

WHO,

 		1998
Effects of ammonia deposition on forests in the Netherlands

Van der…

1998
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].

Nilsen, P…

1998