1. Nitrogen budgets in relation to microbial transformations in lakes;Ahlgren;Ambio,1994
2. Modelling nitrogen transport and retention in the catchments of southern Sweden;Arheimer;Ambio,1998
3. Modelling the effects of wetlands and regional nitrogen transport;Arheimer;Ambio,1994
4. Variation of nitrogen concentration in forest streams — influences of flow, seasonality and catchment characteristics;Arheimer;J. Hydrol.,1996
5. Modellerad kvävetransport, retention och källfördelning för södra Sverige;Arheimer,1997