Zuzana Poorova (2015). PRESENCE OF WATER IN HISTORICAL AND NOWADAYS GREEN ROOFS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, NANO, BIO AND GREEN   TECHNOLOGIES FOR A SUSTAINABLE FUTURE. https://doi.org/10.5593/sgem2015/b62/s27.070