TY - CONF A1 - Rücker, Werner T1 - Physical properties of structures investigated by dynamic methods T2 - International Conference "The life structures, the role of physical testing" T2 - International Conference "The life structures, the role of physical testing" CY - Brighton, England DA - 1989-07-24 PY - 1989 AN - OPUS4-6680 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -