1. Brooks, M. D., Gerstle, K. H. and Logan, D. R., ‘Effects of imitial strand slip on the strength of hollow core slabs,’PCI J. 33(1) (1988) 90–111.
2. CEB-FIP, ‘Model Code for Concrete Structures’ (draft) (CEB, Lausame, 1990).
3. EUROCODE No. 2, ‘Design of Concrete Structures,’ final draft (1988).
4. DIN 1045, ‘Beton und Stahlbeton, Bemessung und Ausfuhrung’ (DIN, Berlin, 1988).
5. BS 8110: Part 1, ‘Structural Use of Concrete’ (British Standards Institution, London, 1985).