Petr Hluštı́k, Veronika Singrova, Jaroslav Raclavský. QUALITY AND TREATMENT OF GRAYWATERS IN FAMILY HOUSE. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Energy and Clean Technologies, 2020, pp. 161-168. https://doi.org/10.5593/sgem2020/4.1/s17.021