TY - JOUR A1 - Uhlemann, Erhard A1 - Prochaska, Krystyna A1 - Cierpiszewski, Ryszard A1 - Szymanowski, Jan A1 - Mickler, Wulfhard T1 - Rate of copper extraction and interfacial activity of model ß-diketones Y1 - 1995 ER -