LeChevallier, M. W., & Au, K. (2004). Water treatment and pathogen control: Process efficiency in achieving safe drinking-water. Published on behalf of the World Health Organization by IWA Pub..

LeChevallier, Mark W., and Kwok-Keung Au. Water Treatment and Pathogen Control: Process Efficiency in Achieving Safe Drinking-water. London: Published on behalf of the World Health Organization by IWA Pub., 2004.

LeChevallier, Mark W., and Kwok-Keung Au. Water Treatment and Pathogen Control: Process Efficiency in Achieving Safe Drinking-water. Published on behalf of the World Health Organization by IWA Pub., 2004.