TY - CONF A1 - Torge, Manfred T1 - Investigations into 20th Century Commercial Glass paints and enamels T2 - Forum for the Conservation of Stained-Glass Windows, Stained Glass after 1920: Technology and Conservation T2 - Forum for the Conservation of Stained-Glass Windows, Stained Glass after 1920: Technology and Conservation CY - Lisbon, Portugal DA - 2011-09-26 PY - 2011 AN - OPUS4-24406 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -