Study on removal of parasitic cysts and toxicants as well as bacteria by biosand filter.
PALMATEER, G. MANZ, D. JURKOVIC, A. McINNIS, R. UNGER, S. KWAN, K. K. DUDKA, B. (1997): Toxicant and Parasite Challenge of Manz Intermittent Slow Sand Filter. (= Environmental Toxicology , 217 / 14 ). John Wiley & Sons, Inc. URL [Accessed: 19.05.2019]