1. The strength of pipe flanges;Waters;Trans Mech Engng,1927
2. Formulas for stresses in bolted flanged connections;Waters;Trans ASME,1937
3. American Society of Mechanical Engineers. ASME boiler and pressure vessel code. Section VIII, Division 1. App. Y, 2001 Edition.
4. PD5500:2000. Unfired fusion welded pressure vessels. British Standards Institution, London.
5. EN 13445. European unfired pressure vessels, CEN; 2002.