Valsamakis, Anthony C. The theory and principles of risk management/ Anthony C Valsamakis, Robert W. Vivian and Gawie S. du Toit. - Durban : Butterworth, 1992. - xiii, 356 p. ; 24cm. Includes index. Includes bibliographical references. ISBN: 0409111627 (cased) Subjects--Topical Terms: Risk management.