National Prestressed Concrete Conference Wellington, N.Z., Institution of Professional Engineers New Zealand, New Zealand. Ministry of Works, & N.Z. Portland Cement Association. (1958). Proceedings of the second National Prestressed Concrete Conference, Wellington, N.Z., 1958: Held under the auspices of the New Zealand Institution of Engineers. Technical Publications.

National Prestressed Concrete Conference Wellington, N.Z., Institution of Professional Engineers New Zealand, New Zealand. Ministry of Works, a N.Z. Portland Cement Association. Proceedings of the Second National Prestressed Concrete Conference, Wellington, N.Z., 1958: Held Under the Auspices of the New Zealand Institution of Engineers. Wellington: Technical Publications, 1958.

National Prestressed Concrete Conference Wellington, N.Z., et al. Proceedings of the Second National Prestressed Concrete Conference, Wellington, N.Z., 1958: Held Under the Auspices of the New Zealand Institution of Engineers. Technical Publications, 1958.