Characterisation of dissolved organic matter in the Baltic and Skagerrak using field-flow fractionation, gel permeation chromatography and 3D fluorescence spectroscopyHassellöv, M.; Persson, T.; Lepane, Viia; Turner, D.; Wedborg, M.6th International Symposium on Field-Flow Fractionation, Ferrara, Italy, September 9-11, 19961996 / p. 55