@book{67423,
	author = {Lee, T. C. and Judge, George G.},
	title = {Estimating the parameters of the Markov probability model from aggregate time series data /},
	publisher = {North-Holland Pub. Co ;},
	year = {1977.},
	series = {Contributions to economic analysis ;},
	address = {New York :},
	edition = {2nd rev. ed.}
}