

@article {7213,
	title = {When the cup is half full: {Improving} water and sanitation services in the developing world},
	journal = {Environment: Science and Policy for Sustainable Development},
	volume = {35},
	number = {4},
	year = {1993},
	pages = {6{\textendash}37},
	url = {http://www.tandfonline.com/doi/pdf/10.1080/00139157.1993.9929091},
	author = {Briscoe, John}
}
