@book{12847,
	author = {United Nations. Department of International Economic and Social Affairs.},
	title = {Step-by-step guide to the estimation of child mortality.},
	publisher = {United Nations,},
	year = {1990.},
	series = {POPULATION studies ; no.107.},
	address = {New York : },
	note = {Accompanied by:QFIVE : United Nations program for child mortality estimation.}
}