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2. P. Jie and D. Yonggang: Elevator World Vol. XLVII (1999) pp.94-96.
3. R.S. Caporale: The Effect of Building Sway on Lifts, MSc Dissertation, University College Northampton (2001).
4. N.J. Cook: The Designer's Guide to Wind Loading of Building Structures Part 1 (Butterworths, London 1985).
5. S. Kaczmarczyk and W. Ostachowicz: Journal of Sound and Vibration Vol. 262 (2003) p.219244.