Sadtler, David. Breakup! : how companies use spin-offs to gain focus and grow strong / David Sadtler, Andrew Campbell, Richard Koch. - New York : Free Press, c1997. - xiv, 193 p. : ill. ; 25 cm. Includes index ISBN: 0684845105 9780684845104 Subjects--Topical Terms: Corporate divestiture--Management.--United States