TY - CONF A1 - Auersch, Lutz A1 - Rücker, Werner ED - Nielsen, J. T1 - Mitigation measures for ballasted tracks - optimisation of sleepers, sleeper pads and the substructure by combined finite-element boundary-element calculations T2 - IWRN11 - 11th International workshop on railway noise CY - Uddevalla, Sweden DA - 2013-09-09 PY - 2013 SP - 463 EP - 470 AN - OPUS4-29446 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -