@book{30276,
	author = {Hsiao, Cheng, and ebrary, Inc.},
	title = {Analysis of panel data},
	publisher = {Cambridge University Press,},
	year = {2003.},
	series = {Econometric Society monographs ;},
	address = {Cambridge ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10069928}
}