By Institution Of Civil Engineers, Civil Engineering Contractors Association, Association of Consulting Engineers
By Barnes, Martin
By Institute of Civil Engineers
By Institution Of Civil Engineers
By M. E. Ginniff, G H. Inglis
By Jones, Colin J.F.P.
By Darwent, Thelma D.
By Broms, Bengt B.
By Pearce, Paul
By Federation Internationale des Ingenieurs Conseils
By Association of Consulting Engineers, Civil Engineering Contractors Association, Institution Of Civil Engineers
By Yong, Raymond N., Thomas, H. Randolph
By European Construction Institute
By H.A. Buchholdt