@book{5287,
	author = {Maddala, G. S.},
	title = {Introduction to econometrics /},
	publisher = {John Wiley,},
	year = {c2001.},
	address = {Chichester ;},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/bios/wiley043/00068506.html}
}