@book{49599,
	author = {Halbertal, Moshe. and NetLibrary, Inc.},
	title = {Concealment and revelation},
	publisher = {Princeton University Press,},
	year = {c2007.},
	address = {Princeton, N. J. :},
	url = {http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=286827}
}