

@book {8382,
	title = {{Appropriate Technology for Water Supply and Sanitation: Health Aspects of Excreta and Sullage Management- A State-of-the-Art Review}},
	series = {World Bank},
	year = {1981},
	author = {Feachem, R.G. and Bradley, D.J. and Garelick, H. and Mara, D.D.}
}
