@book{117153,
	author = {Tong, Hengping, and Kumar, T. Krishna. and ebrary, Inc.},
	title = {Developing econometrics},
	publisher = {Wiley,},
	year = {2011.},
	address = {Hoboken :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10506256}
}