TY - CONF A1 - Zschunke, Adolf T1 - Traceability and Reference Materials, Reference Procedures and Reference Laboratories T2 - ILAC-Conference T2 - ILAC-Conference CY - Berlin, Germany DA - 2002-09-24 PY - 2002 AN - OPUS4-2922 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -