Elements of strength of materials, Timoshenko, Stephen, 1878-1972. MacCullough, Gleason H. (Gleason Harvey), 1895-1956, joint author. Strength of materials. TA405 .T52 1949 19 539.1 TIE New York, D. Van Nostrand Co., 1949. 1949. 1949 Text ix, 426 p. : eng