TY - CONF A1 - Nehls, Irene A1 - Win, Tin T1 - Feasibility and limits in preparation of reference materials for the organic emvironmental analysis T2 - EUROENVIRONMENT II T2 - EUROENVIRONMENT II CY - Vienna, Austria DA - 1995-10-18 PY - 1995 AN - OPUS4-5659 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -