@book{13074,
	author = {United Nations Expert Group Meeting on Measuring the Dynamics of Contraceptive Use (1988 : New York).},
	title = {Measuring the dynamics of contraceptive use : proceedings of the United Nations Expert Group Meeting, New York, 5-7 December 1988.},
	publisher = {United Nations,},
	year = {1991.},
	address = {New York : }
}