TY - CONF A1 - Schmidt, Wolfram T1 - Quality Control in Concrete Production - Introduction of control chart systems and the new concept according to EN 206 T2 - Public Seminar at the University of Dar es Salaam T2 - Public Seminar at the University of Dar es Salaam CY - Dar es Salaam, Tansania DA - 2014-10-28 PY - 2014 AN - OPUS4-32332 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -