By D J Leggett, N Cooper, R Harvey
By A. H. Brampton, M. Wallis, E. Holliday
By John N. Connaughton, S.D. Green
By R. Hooper, R. Armitage, A. Gallagher
By Patrick Godfrey
By Richard M. C. Driscoll, P. Scott, J. Powell
By J. E. Breakell, K. Foster, M. Siegwart
By B. M. Sadgrove
By B. Humphreys, T. Coates, M. Watkiss, d. harrison
By Ove Arup & Partners Ltd.
By M. Budd, S. John, J. Simm, M. Wilkinson
By Padfield, C.J., Sharrock, M.J., Construction Industry Research and Information Association
By Rawlings, C. G., Hellawell, e. e., Kilkenny, W. M.
By Padfield, C.J., Mair, R. J., Construction Industry Research and Information Association
By Somerville, S. H., Construction Industry Research and Information Association
By Baldwin, G., Rosevear, A.