@book{206114,
	author = {Ulmer, Robert R. and Sellnow, Timothy L.},
	title = {Effective crisis communication},
	publisher = {SAGE Publications},
	year = {c2007.},
	address = {Thousand Oaks},
	url = {http://www.loc.gov/catdir/toc/ecip068/2006004956.html}
}