@book{176166,
	author = {United Nations.},
	title = {World population trends and policies :},
	publisher = {United Nations,},
	year = {1979.},
	series = {1977: Population studies / Department of Economic and Social Affairs},
	address = {New York :},
	note = {The preliminary, unedited version of the report for 1983 has this title instead of the latter title.}
}