

@article {3442,
	title = {{The sanitation ladder {\textendash} Need for a revamp?}},
	journal = {Journal of Water, Sanitation and Hygiene for Development},
	volume = {1},
	number = {1},
	year = {2011},
	pages = {3{\textendash}12},
	doi = {10.2166/washdev.2011.014.},
	author = {Kvarnstr{\"o}m, E and McConville, JM and et al. Bracken, P}
}
