@book{175913,
	author = {United Nations. and International Union for the Scientific Study of Population.},
	title = {Methods of measuring the impact of family planning programmes on fertility, problems and issues :},
	publisher = {United Nations,},
	year = {1978.},
	series = {Population studies ; no. 61},
	address = {New York :},
	note = {"United Nations publication. Sales no. E.78.XIII.2."}
}