Yannopoulos, Stavros; Yapijakis, Christos; Kaiafa-Saropoulou, Asimina; Antoniou, George; Angelakis, Andreas N. (2017-02-14). „History of sanitation and hygiene technologies in the Hellenic world”. Journal of Water, Sanitation and Hygiene for Development. IWA Publishing. 7 (2): 163—180. ISSN2043-9083. doi:10.2166/washdev.2017.178.
Yannopoulos, Stavros; Yapijakis, Christos; Kaiafa-Saropoulou, Asimina; Antoniou, George; Angelakis, Andreas N. (2017-02-14). „History of sanitation and hygiene technologies in the Hellenic world”. Journal of Water, Sanitation and Hygiene for Development. IWA Publishing. 7 (2): 163—180. ISSN2043-9083. doi:10.2166/washdev.2017.178.