POPOV, E.P. S.I. Version Mechanics of Materials / E.P. Popov. - 2nd ed - New Delhi : Prentice Hall of India Private Limited, 1991 - xiii, 590 p. : tables, ill. figs, picture. ; 24 cm. Includes index. ISBN: 08769218710 Subjects--Topical Terms: Torsion Dewey Class. No.: 620.1123 / POM