@book{35014,
	author = {Assen, Marcel van. and Berg, Gerben Van den.},
	title = {Key management models :},
	publisher = {Pearson Education Limited},
	year = {2009.},
	address = {New Delhi},
	edition = {2nd ed.},
	note = {Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/toc/ecip0826/2008035857.html}
}