Hammer, Darrell P. The USSR : the politics of oligarchy / Darrell P. Hammer - Boulder : Westview, c1990. - xvi,320 p. : Includes index. ISBN: 0813307805 LCCN: Subjects--Topical Terms: Soviet_unionPolitics and governmentOligarchy LC Class. No.: JN6511 / .H24 1990 Dewey Class. No.: 320.947 / H224u