@book{5427,
	author = {Lewis, W. Arthur},
	title = {The principles of economic planning /},
	publisher = {Harper & Row,},
	year = {c1969 [reprined 1971]},
	series = {Harper torchbooks, TB 1436},
	address = {New York :},
	note = {Reprint of the 1949 ed. with new introd.}
}