International Safety Conference London, Institution of Civil Engineers (Great Britain), & Davis, J. S. (1975). Hazards in tunnelling and on falsework: Proceedings of the Third International Safety Conference held at the Institution of Civil Engineers, 19-20 March 1975. Institution of Civil Engineers.

International Safety Conference London, Institution of Civil Engineers (Great Britain), and Joyce S. Davis. Hazards in Tunnelling and on Falsework: Proceedings of the Third International Safety Conference Held at the Institution of Civil Engineers, 19-20 March 1975. London: Institution of Civil Engineers, 1975.

International Safety Conference London, et al. Hazards in Tunnelling and on Falsework: Proceedings of the Third International Safety Conference Held at the Institution of Civil Engineers, 19-20 March 1975. Institution of Civil Engineers, 1975.