Chemical extraction of heavy metals in polluted river sediments in Central Europe Calmano, Wolfgang Förstner, Ulrich 1983 - TUHH Open Research - frei zugänglich
Heavy metal removal from contaminated sludges with dissolved sulfur dioxide in combination with bacterial leaching Calmano, Wolfgang Ahlf, Wolfgang Förstner, Ulrich 1983 - TUHH Open Research - frei zugänglich