Schoster, Frank; Stein, Ruediger (1999): Major and minor elements in surface sediments of Ob and Yenisei estuaries and the adjacent Kara Sea. In: Matthiessen, J; Stepanets, O V; Stein, R; Fütterer, D K & Galimov, E M (eds.), The Kara Sea Expedition of RV Akademik Boris Petrov 1997: First Results of a Joint Russian-German Pilot Study, Reports on Polar Research, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, 300, 196-207, hdl:10013/epic.10303.d001