@book{93778,
	author = {Lee, T. C. and Judge, George G.},
	title = {Estimating the parameters of the Markov probability model from aggregate timeseries data /},
	publisher = {: North-Holland,},
	year = {1977},
	series = {Contributions to economic analysis ;},
	address = {Amsterdam},
	edition = {2nd. ed}
}