[ Published in: Pollution ]
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The global nitrogen cycle: changes and consequences
1998
Galloway, J.N. (Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903 (USA))
Department for Environment, Food and Rural Affairs - United Kingdom
Nitrogen in Dutch freshwater lakes: trends and targets
1998
Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))
Department for Environment, Food and Rural Affairs - United Kingdom