About KATSIRIS N
About Athens School of Hygiene, Athens, GRC
About KOUZELI-KATSIRI A
About National Technical Univ. Athens, Athens, GRC
About Water Research
About waste water treatment
About activated sludge
About Sludge treatment and disposal
About ろ過
About 脱水
About 生物学
About 汚泥
About 水量