TY - CPAPER AU - Jaroslav Dvorak TI - FLOWS OF HEXAVALENT CHROMIUM IN THE MANUFACTURE OF FIBER CEMENT PRODUCTS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION PY - 2015 DO - 10.5593/sgem2015/b52/s20.074 PB - Stef92 Technology ER -