TY - JOUR A1 - Mickler, Wulfhard A1 - Uhlemann, Erhard T1 - Liquid-Liquid-Extraction of copper from ammoniacal solutions with 4-Acylpyrazolones Y1 - 1993 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/29049 ER -