@book{63502,
	author = {Klein, Lawrence Robert.},
	title = {An introduction to econometrics},
	publisher = {Prentice-Hall, Inc.},
	year = {c1962.},
	address = {Englewood Cliffs, N. J.},
	note = {Reprint of the ed. published by Prentice-Hall, Englewood Cliffs, N.J.}
}