Zhiying Zhang and  Chongdu Cho,  Experimental Study on Damping Ratios of in-situ Buildings.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 191 - 195
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/8178.