Popov, Egor Paul. Mechanics of materials / E. P. Popov, text in collaboration with S. Nagarajan ; problems with assistance of Z. A. Lu. - 2nd ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1976. - xiii, 590 p. : ill. ; 24 cm. Includes index. ISBN: 0135713560 Subjects--Topical Terms: Strength of materials.