TY - CPAPER AU - Irina Angelova TI - OCCURRENCE OF ALUMINIUM IN URBAN WATER SUPPLY AND SEWERAGE SYSTEMS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation PY - 2019 SP - 501 EP - 508 DO - 10.5593/sgem2019/5.1/s20.063 PB - STEF92 Technology ER -