Johnson, J. B. creator Aston, James Withey, M. O. text New York London J. Wiley & sons, inc Chapman & Hall, limited [1939] 8th ed. monographic xxii, 197, 197a-197d, 198-867 p. incl. front. (port.) illus., tables., diagrs. 24 cm. rewritten and revised by M.O. Withey ... and James Aston ... 0 0 0 691_000000000000000_WIT Building materials MCE Strength of materials 691 WIT