@book{2639,
	author = {Hart, P. E. and Colston Research Society.},
	title = {Econometric analysis for national economic planning /},
	publisher = {Butterworths,},
	year = {1964.},
	address = {London :},
	note = {"Proceedings of the sixteenth symposium of the Colston Research Society held in the University of Bristol, April 6th-9th, 1964."}
}