@book{13423,
	author = {Westoff, Charles F. and Ochoa, Luis Hernando},
	title = {Unmet need and the demand for family planning.},
	publisher = {Institute for Resource Development/Macro International,},
	year = {1991.},
	series = {Demographic and health surveys comparative studies ; no. 5.},
	address = {Columbia, MD : }
}