@book{352441,
	author = {Helmus, Todd C.;York, Erin;Chalk, Peter},
	title = {Promoting Online Voices for Countering Violent Extremism},
	publisher = {RAND Corporation},
	year = {2013},
	url = {http://www.jstor.org/stable/10.7249/j.ctt5hhvc2}
}