@book{175420,
	author = {United Nations.},
	title = {Economic and social progress in the second development decade :},
	publisher = {United Nations,},
	year = {1977.},
	series = {[Document] - United Nations ; E/5981 ST/ESA/68},
	address = {New York :},
	note = {United Nations publication : sales no. E.77.II.A11}
}