@book{6721,
	author = {Zou, Xukai, and Ramamurthy, Byrav.},
	title = {Secure group communications over data networks },
	publisher = {Springer},
	year = {c2005.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0819/2004051228-d.html}
}