TY - CONF A1 - Wiggenhauser, Herbert A1 - Molkenthin, André A1 - Wilsch, Gerd T1 - Alkali transport in concrete measured with LIBS T2 - ACI Fall Convention, ACI Commitee 228 T2 - ACI Fall Convention, ACI Commitee 228 CY - Fajardo, Puerto Rico DA - 2007-10-14 PY - 2007 AN - OPUS4-16664 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -