Stefan Sabo. "BIOSORPTION OF COPPER BY EGGSHELL FROM AQUEOUS SOLUTIONS." 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Ecology, Environmental Economics, Education, and Legislation, Vol. 14, Book 5, Volume 2 (2014). https://doi.org/10.5593/sgem2014/b52/s20.015