Zimmermann, Ekkart Political violence, crises, and revolutions : theories and research / Ekkart Zimmermann - Cambridge, Massachusetts : Schenkman Publishing, c1983. - xvi, 792 p. ; ill. ; 24 cm. ISBN: 0870738941 LCCN: Subjects--Topical Terms: Political violenceRevolutions LC Class. No.: JC328.6 / .Z54 1983