TY - CONF A1 - Sojref, Regine T1 - "Donut like flow pattern" attrition milling of submicron corundum powder T2 - PARTEC 2004 T2 - PARTEC 2004 CY - Nuremberg, Germany DA - 2004-04-16 PY - 2004 AN - OPUS4-5964 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -