The Weser Estuary : a study on heavy metal behaviour under hydrographic and water quality conditions Calmano, Wolfgang Wellershaus, Stefan Liebsch, Heinrich 1983 - TUHH Open Research - frei zugänglich
Dredging of contaminated sediments in the Weser Estuary : chemical forms of some heavy metals Calmano, Wolfgang Wellershaus, Stefan Förstner, Ulrich 1982 - TUHH Open Research - frei zugänglich