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 Dewey Class. No.: 620.112