TY - CONF A1 - Horn, Wolfgang A1 - Oppl, R. T1 - European Test Method Validation Approaches T2 - NIST/Virginia Tech Workshop: Reference Material Development for Product Emissions Testing T2 - NIST/Virginia Tech Workshop: Reference Material Development for Product Emissions Testing CY - Gaithersburg, MD, USA DA - 2011-04-28 PY - 2011 AN - OPUS4-23913 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -