1. ISO TC 98, ISO Wind Action, March 1988.
2. DIN 4133, November 1991, Stahlschornsteine (Steel chimneys).
3. CICIND: Model Code for Steel Chimneys, May 1988.
4. ENV 1991-2-4: Wind Actions, 1995.
5. Cross-wind vibrations of steel stacks – a critical comparison;Ruscheweyh;J. Wind Eng. Ind. Aerodyn.,1988