TY - JOUR A1 - Mickler, Wulfhard T1 - Liquid-liquid-extraction of copper from ammoniacal solution with 4-acylpyrazol-5-ones and ß-diketones Y1 - 1993 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/28943 SN - 1-85861-042-7 ER -