Ryder, G. H. Strength of materials / G.H. Ryder. - 3rd ed., in SI units.. - London : Macmillan, 1969 - xii, 340 p. : ill., tables ; 22 cm. Includes index. ISBN: 0333107942 0333109287 Subjects--Topical Terms: Strength of materials. LC Class. No.: TA405 / .R92 1969