1. C.E. Reynolds and J. C. Steedman, Reinforced Concrete Designer's Handbook.
2. Design charts for water retaining structure to BS 5337;Threlfall,1978
3. D. Herbert, Mastering Turbo Pascal 5.0.
4. British Standard Code of Practice BS5337:1976: The structural use of concrete for retaining aqueous liquids;British Standards Institution,1976