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2. Underwriters Laboratories Inc., Standard for Uplift Pressure of Roof Assemblies (UL 580), 3rd ed., November 1991.
3. A. Baskaran, Y. Chen, M.G. Savage, Development of a wind load cycle for testing commercial building envelopes, ASCE Structures Congress XV, Portland, Oregon, USA, 1997, pp. 25–32.
4. Wind induced loading cycle and fatigue testing of lightweight roofing fixations;Gerhardt;J. Wind Eng. Ind. Aerodyn.,1986
5. H.J. Gerhardt, 1997, private communication.