1. Land and Water in 1990s Municipal Natural Resource Planning;Castensson,1990
2. The Jackknife, the Bootstrap, and Other Resampling Plans;Efron,1982
3. The eutrophication of the Baltic Sea: input of nitrogen and phosphorus, and their availability for plant production;Elmgren,1988
4. Land Use and Water Quality: A Study of Laholm Bay's Drainage Area;Fleischer,1989
5. Research on recovery of polluted lakes;Forsberg;Vatten,1985