

@article {7100,
	title = {Global cost-benefit analysis of water supply and sanitation interventions},
	journal = {Journal of water and health},
	volume = {5},
	number = {4},
	year = {2007},
	pages = {481{\textendash}502},
	author = {Hutton, Guy and Haller, Laurence and Bartram, Jamie}
}
