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3. The Ruppia/ subsystem and The soft bottom subsystem. In: Jansson, B.-O. and Wulff, F. (principal investigators): Ecosystem analysis of a shallow sound in the Northern Baltic - A joint study by the Askö Group;Ankar;Contrib. Askö Lab. Stockholm Univ,1977
4. Effects of an unusual natural temperature increase on a Baltic soft-bottom community;Ankar;Mar. Biol,1973
5. Bågander, L.E. (1977) Sulfur fluxes at the sediment-water interface - an in situ study of closed systems, Eh and pH, Ph.D. thesis, Dept. of Geology, Univ. Stockholm, Microbial geochemistry Publ. 1.