TY - CONF A1 - Tuma, Dirk A1 - Bremser, Wolfram A1 - Brown, A. A1 - van der Veen, A. M. H. A1 - Beránek, J. A1 - Val'ková, M. A1 - Pätoprstý, V. T1 - Standards and methods for the analysis of coal mine methane, a "non-conventional" energy gas T2 - GAS 2013 T2 - GAS 2013 CY - Rotterdam, Netherlands DA - 2013-06-05 PY - 2013 AN - OPUS4-29338 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -