Crenshaw, Martha. Explaining terrorism : causes, processes, and consequences / Martha Crenshaw. - London ; New York : Routledge, 2011. - xii, 268 p. ; 24 cm. - Cass series on political violence . ISBN: 9780415780506 (hardcover) 9780415780513 (pbk.) LCCN: 2010017264 Subjects--Topical Terms: Terrorism. LC Class. No.: HV6431 / .C756 2011 Dewey Class. No.: 363.325