TY - GEN A1 - Schmidt, Wolfram T1 - Why does Africa need African Concrete? An Observation of Concrete in Europe, America and Asia - and Conclusions for Africa T2 - International Conference on Advances in Cement and Concrete in Africa T2 - International Conference on Advances in Cement and Concrete in Africa CY - Johannesburg, South Africa DA - 2013-01-28 PY - 2013 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/28461 AN - OPUS4-28461 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany