@book{70358,
	author = {Tinbergen, Jan,},
	title = {Statistical testing of business-cycle theories :},
	publisher = {Economic Intelligence Service, League of Nations,},
	year = {1939.},
	series = {Series of League of Nations publications. 2. Economic and financial. 1938.II.A.23;},
	address = {Geneva :},
	note = {Includes index.}
}