6Gwenzi, W.& N.Dunjana. Water quality and public health risks associated with roof rainwater harvesting systems for potable supply : Review and perspectives[J]. Sustainability of Water Quality and Ecology, 2015, ( 6 ): 107-118.
7S fi nchez,A. S.& E. Cohim. A review on physicochemical and microbiological contamination of roof-harvested rainwater in urban areas[J].Sustainability of Water Quality and Ecology, 2015, (6): 119-137.
