TY - CPAPER AU - Dragana Božić TI - COLUMN ADSORPTION OF COPPER IONS ONTO BEECH SAWDUST AND WHEAT STRAW T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s21.105 PB - Stef92 Technology ER -