1. Ahrens, L., Vorkamp, K., Lepom, P., Bersuder, P., Theobald, N., Ebinghaus, R., et al. (2010). Dermination of perfluoroalkyl compounds in water, sediment, and biota. ICES Techniques in Marine Environmental Sciences, 48, 16.
2. Airaksinen, R., Hallikainen, A., Rantakokko, P., Ruokojärvi, P., Vuorinen, P. J., Parmanne, R., et al. (2014). Time trends and congener profiles of PCDD/Fs, PCBs, and PBDEs in Baltic herring off the coast of Finland during 1978-2009. Chemosphere, 114, 165–171.
3. Berger, U., Glynn, A., Holmström, K. E., Berglund, M., Ankarberg, E. H., & Törnkvist, A. (2009). Fish consumption as a source of human exposure to perfluorinated alkyl substances in Sweden - analysis of edible fish from Lake Vättern and the Baltic Sea. Chemosphere, 76, 799–804.
4. Bignert, A., Olsson, M., Persson, W., Jensen, S., Zakrisson, S., Litzén, K., et al. (1998). Temporal trends of organochlorines in northern Europe, 1967-1995. Relation to global fractionation, leakage from sediments and international measures. Environmental Pollution, 99, 177–198.
5. Bignert, A., Nyberg, E., Asplund, L., Eriksson, U. (2010) Comments concerning the national Swedish contaminant monitoring programme in marine biota, 2010. Natural History 157.