1. Variations of 87Sr/86Sr in water from streams discharging into the Bothnian Bay, Baltic Sea;Åberg;Nord. Hydrol.,1987
2. A shell deposit near Åkroken at Kalix in northern Sweden;Åhman;Geol. Fören. Stockh. Förh.,1976
3. The sources and transport of Sr and Nd isotopes in the Baltic Sea;Andersson;Earth Planet. Sci. Lett.,1992
4. Bianchi, T.S., Westman, P., Rolff, C., Engelhaupt, E., Andrén, T., Elmgren, R., 1998. Cyanobacterial blooms in the Baltic Sea: Natural or human-induced? In: Westman, P., (Ed.), Salinity and trophic changes in the north-western Baltic Sea during the last 8500 years as indicated by microfossils and chemical parameters in sediments. Quaternaria A:5, Theses and Research Papers, Department of Quaternary Research, Stockholm University, paper IV. 13 pp.
5. A review of the history of the Baltic Sea, 13.0–8.0ka BP;Björck;Quat. Int.,1995